Home / 111,337.32-153,645.24-61,036.68

Finding the Fourth Proportional to 111,337.32, 153,645.24 and 61,036.68

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Solution

The fourth proportional to 111,337.32, 153,645.24 and 61,036.68 is: 84,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.32 : 153,645.24 = 61,036.68 : x
  2. Step 2: Convert to fraction form
    111,337.32/153,645.24 = 61,036.68/x
  3. Step 3: Cross multiply
    111,337.32x = 153,645.24 × 61,036.68
  4. Step 4: Simplify right side
    111,337.32x = 9,377,995,347.40
  5. Step 5: Solve for x
    x = 9,377,995,347.40/111,337.32
  6. Step 6: Final answer
    x = 84,230.47

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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.