Home / 111,130.48-153,354.18-60,819.76

Finding the Fourth Proportional to 111,130.48, 153,354.18 and 60,819.76

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Solution

The fourth proportional to 111,130.48, 153,354.18 and 60,819.76 is: 83,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.48 : 153,354.18 = 60,819.76 : x
  2. Step 2: Convert to fraction form
    111,130.48/153,354.18 = 60,819.76/x
  3. Step 3: Cross multiply
    111,130.48x = 153,354.18 × 60,819.76
  4. Step 4: Simplify right side
    111,130.48x = 9,326,964,422.60
  5. Step 5: Solve for x
    x = 9,326,964,422.60/111,130.48
  6. Step 6: Final answer
    x = 83,928.05

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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.