Home / 111,239.58-153,509.68-60,251.11

Finding the Fourth Proportional to 111,239.58, 153,509.68 and 60,251.11

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Solution

The fourth proportional to 111,239.58, 153,509.68 and 60,251.11 is: 83,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.58 : 153,509.68 = 60,251.11 : x
  2. Step 2: Convert to fraction form
    111,239.58/153,509.68 = 60,251.11/x
  3. Step 3: Cross multiply
    111,239.58x = 153,509.68 × 60,251.11
  4. Step 4: Simplify right side
    111,239.58x = 9,249,128,307.28
  5. Step 5: Solve for x
    x = 9,249,128,307.28/111,239.58
  6. Step 6: Final answer
    x = 83,146.02

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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.