Home / 111,945.52-154,486.84-60,959.76

Finding the Fourth Proportional to 111,945.52, 154,486.84 and 60,959.76

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Solution

The fourth proportional to 111,945.52, 154,486.84 and 60,959.76 is: 84,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,945.52 : 154,486.84 = 60,959.76 : x
  2. Step 2: Convert to fraction form
    111,945.52/154,486.84 = 60,959.76/x
  3. Step 3: Cross multiply
    111,945.52x = 154,486.84 × 60,959.76
  4. Step 4: Simplify right side
    111,945.52x = 9,417,480,689.56
  5. Step 5: Solve for x
    x = 9,417,480,689.56/111,945.52
  6. Step 6: Final answer
    x = 84,125.57

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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.