Home / 91,589.16-126,393.38-53,374.92

Finding the Fourth Proportional to 91,589.16, 126,393.38 and 53,374.92

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Solution

The fourth proportional to 91,589.16, 126,393.38 and 53,374.92 is: 73,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,589.16 : 126,393.38 = 53,374.92 : x
  2. Step 2: Convert to fraction form
    91,589.16/126,393.38 = 53,374.92/x
  3. Step 3: Cross multiply
    91,589.16x = 126,393.38 × 53,374.92
  4. Step 4: Simplify right side
    91,589.16x = 6,746,236,005.34
  5. Step 5: Solve for x
    x = 6,746,236,005.34/91,589.16
  6. Step 6: Final answer
    x = 73,657.58

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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.