Home / 113,005.68-155,948.76-62,705.52

Finding the Fourth Proportional to 113,005.68, 155,948.76 and 62,705.52

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Solution

The fourth proportional to 113,005.68, 155,948.76 and 62,705.52 is: 86,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.68 : 155,948.76 = 62,705.52 : x
  2. Step 2: Convert to fraction form
    113,005.68/155,948.76 = 62,705.52/x
  3. Step 3: Cross multiply
    113,005.68x = 155,948.76 × 62,705.52
  4. Step 4: Simplify right side
    113,005.68x = 9,778,848,089.16
  5. Step 5: Solve for x
    x = 9,778,848,089.16/113,005.68
  6. Step 6: Final answer
    x = 86,534.13

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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.