Home / 76,032.86-113,974.80-42,314.95

Finding the Fourth Proportional to 76,032.86, 113,974.80 and 42,314.95

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Solution

The fourth proportional to 76,032.86, 113,974.80 and 42,314.95 is: 63,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032.86 : 113,974.80 = 42,314.95 : x
  2. Step 2: Convert to fraction form
    76,032.86/113,974.80 = 42,314.95/x
  3. Step 3: Cross multiply
    76,032.86x = 113,974.80 × 42,314.95
  4. Step 4: Simplify right side
    76,032.86x = 4,822,837,963.26
  5. Step 5: Solve for x
    x = 4,822,837,963.26/76,032.86
  6. Step 6: Final answer
    x = 63,430.97

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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.