Home / 79,045.18-109,127.48-52,265.36

Finding the Fourth Proportional to 79,045.18, 109,127.48 and 52,265.36

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Solution

The fourth proportional to 79,045.18, 109,127.48 and 52,265.36 is: 72,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.18 : 109,127.48 = 52,265.36 : x
  2. Step 2: Convert to fraction form
    79,045.18/109,127.48 = 52,265.36/x
  3. Step 3: Cross multiply
    79,045.18x = 109,127.48 × 52,265.36
  4. Step 4: Simplify right side
    79,045.18x = 5,703,587,028.09
  5. Step 5: Solve for x
    x = 5,703,587,028.09/79,045.18
  6. Step 6: Final answer
    x = 72,156.04

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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.