Home / 111,102.15-153,319.88-60,113.77

Finding the Fourth Proportional to 111,102.15, 153,319.88 and 60,113.77

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Solution

The fourth proportional to 111,102.15, 153,319.88 and 60,113.77 is: 82,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,102.15 : 153,319.88 = 60,113.77 : x
  2. Step 2: Convert to fraction form
    111,102.15/153,319.88 = 60,113.77/x
  3. Step 3: Cross multiply
    111,102.15x = 153,319.88 × 60,113.77
  4. Step 4: Simplify right side
    111,102.15x = 9,216,635,404.06
  5. Step 5: Solve for x
    x = 9,216,635,404.06/111,102.15
  6. Step 6: Final answer
    x = 82,956.41

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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.