Home / 94,143.23-129,917.51-51,701.76

Finding the Fourth Proportional to 94,143.23, 129,917.51 and 51,701.76

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Solution

The fourth proportional to 94,143.23, 129,917.51 and 51,701.76 is: 71,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,143.23 : 129,917.51 = 51,701.76 : x
  2. Step 2: Convert to fraction form
    94,143.23/129,917.51 = 51,701.76/x
  3. Step 3: Cross multiply
    94,143.23x = 129,917.51 × 51,701.76
  4. Step 4: Simplify right side
    94,143.23x = 6,716,964,058.53
  5. Step 5: Solve for x
    x = 6,716,964,058.53/94,143.23
  6. Step 6: Final answer
    x = 71,348.35

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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.