Home / 111,117.44-153,340.89-60,129.05

Finding the Fourth Proportional to 111,117.44, 153,340.89 and 60,129.05

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Solution

The fourth proportional to 111,117.44, 153,340.89 and 60,129.05 is: 82,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,117.44 : 153,340.89 = 60,129.05 : x
  2. Step 2: Convert to fraction form
    111,117.44/153,340.89 = 60,129.05/x
  3. Step 3: Cross multiply
    111,117.44x = 153,340.89 × 60,129.05
  4. Step 4: Simplify right side
    111,117.44x = 9,220,241,275.15
  5. Step 5: Solve for x
    x = 9,220,241,275.15/111,117.44
  6. Step 6: Final answer
    x = 82,977.45

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1.5x scale

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.