Home / 99,124.72-136,792.22-53,802.70

Finding the Fourth Proportional to 99,124.72, 136,792.22 and 53,802.70

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Solution

The fourth proportional to 99,124.72, 136,792.22 and 53,802.70 is: 74,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.72 : 136,792.22 = 53,802.70 : x
  2. Step 2: Convert to fraction form
    99,124.72/136,792.22 = 53,802.70/x
  3. Step 3: Cross multiply
    99,124.72x = 136,792.22 × 53,802.70
  4. Step 4: Simplify right side
    99,124.72x = 7,359,790,774.99
  5. Step 5: Solve for x
    x = 7,359,790,774.99/99,124.72
  6. Step 6: Final answer
    x = 74,247.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.