Home / 65,607.08-90,534.46-37,312.16

Finding the Fourth Proportional to 65,607.08, 90,534.46 and 37,312.16

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Solution

The fourth proportional to 65,607.08, 90,534.46 and 37,312.16 is: 51,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.08 : 90,534.46 = 37,312.16 : x
  2. Step 2: Convert to fraction form
    65,607.08/90,534.46 = 37,312.16/x
  3. Step 3: Cross multiply
    65,607.08x = 90,534.46 × 37,312.16
  4. Step 4: Simplify right side
    65,607.08x = 3,378,036,070.47
  5. Step 5: Solve for x
    x = 3,378,036,070.47/65,607.08
  6. Step 6: Final answer
    x = 51,488.90

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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.