Home / 99,158.66-136,838.18-53,835.74

Finding the Fourth Proportional to 99,158.66, 136,838.18 and 53,835.74

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Solution

The fourth proportional to 99,158.66, 136,838.18 and 53,835.74 is: 74,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.66 : 136,838.18 = 53,835.74 : x
  2. Step 2: Convert to fraction form
    99,158.66/136,838.18 = 53,835.74/x
  3. Step 3: Cross multiply
    99,158.66x = 136,838.18 × 53,835.74
  4. Step 4: Simplify right side
    99,158.66x = 7,366,784,341.27
  5. Step 5: Solve for x
    x = 7,366,784,341.27/99,158.66
  6. Step 6: Final answer
    x = 74,292.90

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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.