Home / 42,237.78-63,312.93-34,763.71

Finding the Fourth Proportional to 42,237.78, 63,312.93 and 34,763.71

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Solution

The fourth proportional to 42,237.78, 63,312.93 and 34,763.71 is: 52,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.78 : 63,312.93 = 34,763.71 : x
  2. Step 2: Convert to fraction form
    42,237.78/63,312.93 = 34,763.71/x
  3. Step 3: Cross multiply
    42,237.78x = 63,312.93 × 34,763.71
  4. Step 4: Simplify right side
    42,237.78x = 2,200,992,337.77
  5. Step 5: Solve for x
    x = 2,200,992,337.77/42,237.78
  6. Step 6: Final answer
    x = 52,109.56

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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.