Home / 57,999.31-87,394.13-47,700.10

Finding the Fourth Proportional to 57,999.31, 87,394.13 and 47,700.10

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Solution

The fourth proportional to 57,999.31, 87,394.13 and 47,700.10 is: 71,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.31 : 87,394.13 = 47,700.10 : x
  2. Step 2: Convert to fraction form
    57,999.31/87,394.13 = 47,700.10/x
  3. Step 3: Cross multiply
    57,999.31x = 87,394.13 × 47,700.10
  4. Step 4: Simplify right side
    57,999.31x = 4,168,708,740.41
  5. Step 5: Solve for x
    x = 4,168,708,740.41/57,999.31
  6. Step 6: Final answer
    x = 71,875.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.