Home / 118,020.24-177,061.92-51,465.76

Finding the Fourth Proportional to 118,020.24, 177,061.92 and 51,465.76

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Solution

The fourth proportional to 118,020.24, 177,061.92 and 51,465.76 is: 77,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.24 : 177,061.92 = 51,465.76 : x
  2. Step 2: Convert to fraction form
    118,020.24/177,061.92 = 51,465.76/x
  3. Step 3: Cross multiply
    118,020.24x = 177,061.92 × 51,465.76
  4. Step 4: Simplify right side
    118,020.24x = 9,112,626,279.86
  5. Step 5: Solve for x
    x = 9,112,626,279.86/118,020.24
  6. Step 6: Final answer
    x = 77,212.40

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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.