Home / 103,010.18-142,091.96-60,533.78

Finding the Fourth Proportional to 103,010.18, 142,091.96 and 60,533.78

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Solution

The fourth proportional to 103,010.18, 142,091.96 and 60,533.78 is: 83,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,010.18 : 142,091.96 = 60,533.78 : x
  2. Step 2: Convert to fraction form
    103,010.18/142,091.96 = 60,533.78/x
  3. Step 3: Cross multiply
    103,010.18x = 142,091.96 × 60,533.78
  4. Step 4: Simplify right side
    103,010.18x = 8,601,363,446.41
  5. Step 5: Solve for x
    x = 8,601,363,446.41/103,010.18
  6. Step 6: Final answer
    x = 83,500.13

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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.