Home / 65,451.08-90,319.38-37,152.92

Finding the Fourth Proportional to 65,451.08, 90,319.38 and 37,152.92

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Solution

The fourth proportional to 65,451.08, 90,319.38 and 37,152.92 is: 51,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,451.08 : 90,319.38 = 37,152.92 : x
  2. Step 2: Convert to fraction form
    65,451.08/90,319.38 = 37,152.92/x
  3. Step 3: Cross multiply
    65,451.08x = 90,319.38 × 37,152.92
  4. Step 4: Simplify right side
    65,451.08x = 3,355,628,699.59
  5. Step 5: Solve for x
    x = 3,355,628,699.59/65,451.08
  6. Step 6: Final answer
    x = 51,269.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.