Home / 61,572.31-85,025.78-46,439.08

Finding the Fourth Proportional to 61,572.31, 85,025.78 and 46,439.08

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Solution

The fourth proportional to 61,572.31, 85,025.78 and 46,439.08 is: 64,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.31 : 85,025.78 = 46,439.08 : x
  2. Step 2: Convert to fraction form
    61,572.31/85,025.78 = 46,439.08/x
  3. Step 3: Cross multiply
    61,572.31x = 85,025.78 × 46,439.08
  4. Step 4: Simplify right side
    61,572.31x = 3,948,518,999.48
  5. Step 5: Solve for x
    x = 3,948,518,999.48/61,572.31
  6. Step 6: Final answer
    x = 64,128.16

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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.