Home / 124,476.28-171,776.48-70,761.30

Finding the Fourth Proportional to 124,476.28, 171,776.48 and 70,761.30

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Solution

The fourth proportional to 124,476.28, 171,776.48 and 70,761.30 is: 97,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,476.28 : 171,776.48 = 70,761.30 : x
  2. Step 2: Convert to fraction form
    124,476.28/171,776.48 = 70,761.30/x
  3. Step 3: Cross multiply
    124,476.28x = 171,776.48 × 70,761.30
  4. Step 4: Simplify right side
    124,476.28x = 12,155,126,945.77
  5. Step 5: Solve for x
    x = 12,155,126,945.77/124,476.28
  6. Step 6: Final answer
    x = 97,650.15

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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.