Home / 91,724.40-126,582.48-51,437.16

Finding the Fourth Proportional to 91,724.40, 126,582.48 and 51,437.16

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Solution

The fourth proportional to 91,724.40, 126,582.48 and 51,437.16 is: 70,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.40 : 126,582.48 = 51,437.16 : x
  2. Step 2: Convert to fraction form
    91,724.40/126,582.48 = 51,437.16/x
  3. Step 3: Cross multiply
    91,724.40x = 126,582.48 × 51,437.16
  4. Step 4: Simplify right side
    91,724.40x = 6,511,043,276.96
  5. Step 5: Solve for x
    x = 6,511,043,276.96/91,724.40
  6. Step 6: Final answer
    x = 70,984.86

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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.