Home / 71,605.56-98,875.47-59,731.14

Finding the Fourth Proportional to 71,605.56, 98,875.47 and 59,731.14

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Solution

The fourth proportional to 71,605.56, 98,875.47 and 59,731.14 is: 82,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,605.56 : 98,875.47 = 59,731.14 : x
  2. Step 2: Convert to fraction form
    71,605.56/98,875.47 = 59,731.14/x
  3. Step 3: Cross multiply
    71,605.56x = 98,875.47 × 59,731.14
  4. Step 4: Simplify right side
    71,605.56x = 5,905,944,541.14
  5. Step 5: Solve for x
    x = 5,905,944,541.14/71,605.56
  6. Step 6: Final answer
    x = 82,478.85

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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.