Home / 99,159.62-136,841.28-53,838.02

Finding the Fourth Proportional to 99,159.62, 136,841.28 and 53,838.02

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Solution

The fourth proportional to 99,159.62, 136,841.28 and 53,838.02 is: 74,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,159.62 : 136,841.28 = 53,838.02 : x
  2. Step 2: Convert to fraction form
    99,159.62/136,841.28 = 53,838.02/x
  3. Step 3: Cross multiply
    99,159.62x = 136,841.28 × 53,838.02
  4. Step 4: Simplify right side
    99,159.62x = 7,367,263,569.47
  5. Step 5: Solve for x
    x = 7,367,263,569.47/99,159.62
  6. Step 6: Final answer
    x = 74,297.01

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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.