Home / 65,447.16-90,317.03-37,152.85

Finding the Fourth Proportional to 65,447.16, 90,317.03 and 37,152.85

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Solution

The fourth proportional to 65,447.16, 90,317.03 and 37,152.85 is: 51,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,447.16 : 90,317.03 = 37,152.85 : x
  2. Step 2: Convert to fraction form
    65,447.16/90,317.03 = 37,152.85/x
  3. Step 3: Cross multiply
    65,447.16x = 90,317.03 × 37,152.85
  4. Step 4: Simplify right side
    65,447.16x = 3,355,535,393.32
  5. Step 5: Solve for x
    x = 3,355,535,393.32/65,447.16
  6. Step 6: Final answer
    x = 51,270.91

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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.