Home / 110,459.79-152,429.94-62,715.78

Finding the Fourth Proportional to 110,459.79, 152,429.94 and 62,715.78

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Solution

The fourth proportional to 110,459.79, 152,429.94 and 62,715.78 is: 86,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,459.79 : 152,429.94 = 62,715.78 : x
  2. Step 2: Convert to fraction form
    110,459.79/152,429.94 = 62,715.78/x
  3. Step 3: Cross multiply
    110,459.79x = 152,429.94 × 62,715.78
  4. Step 4: Simplify right side
    110,459.79x = 9,559,762,582.45
  5. Step 5: Solve for x
    x = 9,559,762,582.45/110,459.79
  6. Step 6: Final answer
    x = 86,545.18

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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.