Home / 111,628.14-154,048.02-60,641.88

Finding the Fourth Proportional to 111,628.14, 154,048.02 and 60,641.88

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Solution

The fourth proportional to 111,628.14, 154,048.02 and 60,641.88 is: 83,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,628.14 : 154,048.02 = 60,641.88 : x
  2. Step 2: Convert to fraction form
    111,628.14/154,048.02 = 60,641.88/x
  3. Step 3: Cross multiply
    111,628.14x = 154,048.02 × 60,641.88
  4. Step 4: Simplify right side
    111,628.14x = 9,341,761,543.08
  5. Step 5: Solve for x
    x = 9,341,761,543.08/111,628.14
  6. Step 6: Final answer
    x = 83,686.44

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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.