Home / 111,529.04-153,908.16-61,227.68

Finding the Fourth Proportional to 111,529.04, 153,908.16 and 61,227.68

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Solution

The fourth proportional to 111,529.04, 153,908.16 and 61,227.68 is: 84,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,529.04 : 153,908.16 = 61,227.68 : x
  2. Step 2: Convert to fraction form
    111,529.04/153,908.16 = 61,227.68/x
  3. Step 3: Cross multiply
    111,529.04x = 153,908.16 × 61,227.68
  4. Step 4: Simplify right side
    111,529.04x = 9,423,439,569.87
  5. Step 5: Solve for x
    x = 9,423,439,569.87/111,529.04
  6. Step 6: Final answer
    x = 84,493.15

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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.