Home / 99,470.86-149,073.19-48,792.40

Finding the Fourth Proportional to 99,470.86, 149,073.19 and 48,792.40

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Solution

The fourth proportional to 99,470.86, 149,073.19 and 48,792.40 is: 73,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,470.86 : 149,073.19 = 48,792.40 : x
  2. Step 2: Convert to fraction form
    99,470.86/149,073.19 = 48,792.40/x
  3. Step 3: Cross multiply
    99,470.86x = 149,073.19 × 48,792.40
  4. Step 4: Simplify right side
    99,470.86x = 7,273,638,715.76
  5. Step 5: Solve for x
    x = 7,273,638,715.76/99,470.86
  6. Step 6: Final answer
    x = 73,123.31

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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.