Home / 113,012.18-155,957.73-62,712.02

Finding the Fourth Proportional to 113,012.18, 155,957.73 and 62,712.02

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Solution

The fourth proportional to 113,012.18, 155,957.73 and 62,712.02 is: 86,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.18 : 155,957.73 = 62,712.02 : x
  2. Step 2: Convert to fraction form
    113,012.18/155,957.73 = 62,712.02/x
  3. Step 3: Cross multiply
    113,012.18x = 155,957.73 × 62,712.02
  4. Step 4: Simplify right side
    113,012.18x = 9,780,424,282.91
  5. Step 5: Solve for x
    x = 9,780,424,282.91/113,012.18
  6. Step 6: Final answer
    x = 86,543.10

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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.