Home / 111,521.19-153,899.36-60,533.92

Finding the Fourth Proportional to 111,521.19, 153,899.36 and 60,533.92

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Solution

The fourth proportional to 111,521.19, 153,899.36 and 60,533.92 is: 83,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,521.19 : 153,899.36 = 60,533.92 : x
  2. Step 2: Convert to fraction form
    111,521.19/153,899.36 = 60,533.92/x
  3. Step 3: Cross multiply
    111,521.19x = 153,899.36 × 60,533.92
  4. Step 4: Simplify right side
    111,521.19x = 9,316,131,546.29
  5. Step 5: Solve for x
    x = 9,316,131,546.29/111,521.19
  6. Step 6: Final answer
    x = 83,536.87

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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.