Home / 42,253.18-63,316.86-38,518.96

Finding the Fourth Proportional to 42,253.18, 63,316.86 and 38,518.96

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Solution

The fourth proportional to 42,253.18, 63,316.86 and 38,518.96 is: 57,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.18 : 63,316.86 = 38,518.96 : x
  2. Step 2: Convert to fraction form
    42,253.18/63,316.86 = 38,518.96/x
  3. Step 3: Cross multiply
    42,253.18x = 63,316.86 × 38,518.96
  4. Step 4: Simplify right side
    42,253.18x = 2,438,899,597.67
  5. Step 5: Solve for x
    x = 2,438,899,597.67/42,253.18
  6. Step 6: Final answer
    x = 57,721.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.