Home / 101,275.28-139,701.48-60,961.04

Finding the Fourth Proportional to 101,275.28, 139,701.48 and 60,961.04

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Solution

The fourth proportional to 101,275.28, 139,701.48 and 60,961.04 is: 84,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,275.28 : 139,701.48 = 60,961.04 : x
  2. Step 2: Convert to fraction form
    101,275.28/139,701.48 = 60,961.04/x
  3. Step 3: Cross multiply
    101,275.28x = 139,701.48 × 60,961.04
  4. Step 4: Simplify right side
    101,275.28x = 8,516,347,510.34
  5. Step 5: Solve for x
    x = 8,516,347,510.34/101,275.28
  6. Step 6: Final answer
    x = 84,091.08

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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.