Home / 91,326.57-126,031.13-51,041.01

Finding the Fourth Proportional to 91,326.57, 126,031.13 and 51,041.01

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Solution

The fourth proportional to 91,326.57, 126,031.13 and 51,041.01 is: 70,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,326.57 : 126,031.13 = 51,041.01 : x
  2. Step 2: Convert to fraction form
    91,326.57/126,031.13 = 51,041.01/x
  3. Step 3: Cross multiply
    91,326.57x = 126,031.13 × 51,041.01
  4. Step 4: Simplify right side
    91,326.57x = 6,432,755,911.44
  5. Step 5: Solve for x
    x = 6,432,755,911.44/91,326.57
  6. Step 6: Final answer
    x = 70,436.85

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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.