Home / 62,439.66-86,131.65-38,549.32

Finding the Fourth Proportional to 62,439.66, 86,131.65 and 38,549.32

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Solution

The fourth proportional to 62,439.66, 86,131.65 and 38,549.32 is: 53,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.66 : 86,131.65 = 38,549.32 : x
  2. Step 2: Convert to fraction form
    62,439.66/86,131.65 = 38,549.32/x
  3. Step 3: Cross multiply
    62,439.66x = 86,131.65 × 38,549.32
  4. Step 4: Simplify right side
    62,439.66x = 3,320,316,467.21
  5. Step 5: Solve for x
    x = 3,320,316,467.21/62,439.66
  6. Step 6: Final answer
    x = 53,176.40

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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.