Home / 79,389.36-119,113.12-57,227.76

Finding the Fourth Proportional to 79,389.36, 119,113.12 and 57,227.76

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Solution

The fourth proportional to 79,389.36, 119,113.12 and 57,227.76 is: 85,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,389.36 : 119,113.12 = 57,227.76 : x
  2. Step 2: Convert to fraction form
    79,389.36/119,113.12 = 57,227.76/x
  3. Step 3: Cross multiply
    79,389.36x = 119,113.12 × 57,227.76
  4. Step 4: Simplify right side
    79,389.36x = 6,816,577,044.21
  5. Step 5: Solve for x
    x = 6,816,577,044.21/79,389.36
  6. Step 6: Final answer
    x = 85,862.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.