Home / 103,252.56-142,502.40-60,810.72

Finding the Fourth Proportional to 103,252.56, 142,502.40 and 60,810.72

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Solution

The fourth proportional to 103,252.56, 142,502.40 and 60,810.72 is: 83,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,252.56 : 142,502.40 = 60,810.72 : x
  2. Step 2: Convert to fraction form
    103,252.56/142,502.40 = 60,810.72/x
  3. Step 3: Cross multiply
    103,252.56x = 142,502.40 × 60,810.72
  4. Step 4: Simplify right side
    103,252.56x = 8,665,673,545.73
  5. Step 5: Solve for x
    x = 8,665,673,545.73/103,252.56
  6. Step 6: Final answer
    x = 83,926.96

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1.5x scale

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.