Home / 99,263.13-136,983.92-53,941.08

Finding the Fourth Proportional to 99,263.13, 136,983.92 and 53,941.08

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Solution

The fourth proportional to 99,263.13, 136,983.92 and 53,941.08 is: 74,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,263.13 : 136,983.92 = 53,941.08 : x
  2. Step 2: Convert to fraction form
    99,263.13/136,983.92 = 53,941.08/x
  3. Step 3: Cross multiply
    99,263.13x = 136,983.92 × 53,941.08
  4. Step 4: Simplify right side
    99,263.13x = 7,389,060,587.43
  5. Step 5: Solve for x
    x = 7,389,060,587.43/99,263.13
  6. Step 6: Final answer
    x = 74,439.13

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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.