Home / 91,348.86-126,086.31-53,635.26

Finding the Fourth Proportional to 91,348.86, 126,086.31 and 53,635.26

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Solution

The fourth proportional to 91,348.86, 126,086.31 and 53,635.26 is: 74,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.86 : 126,086.31 = 53,635.26 : x
  2. Step 2: Convert to fraction form
    91,348.86/126,086.31 = 53,635.26/x
  3. Step 3: Cross multiply
    91,348.86x = 126,086.31 × 53,635.26
  4. Step 4: Simplify right side
    91,348.86x = 6,762,672,019.29
  5. Step 5: Solve for x
    x = 6,762,672,019.29/91,348.86
  6. Step 6: Final answer
    x = 74,031.27

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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.