Home / 91,248.64-125,853.73-78,523.27

Finding the Fourth Proportional to 91,248.64, 125,853.73 and 78,523.27

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Solution

The fourth proportional to 91,248.64, 125,853.73 and 78,523.27 is: 108,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,248.64 : 125,853.73 = 78,523.27 : x
  2. Step 2: Convert to fraction form
    91,248.64/125,853.73 = 78,523.27/x
  3. Step 3: Cross multiply
    91,248.64x = 125,853.73 × 78,523.27
  4. Step 4: Simplify right side
    91,248.64x = 9,882,446,421.30
  5. Step 5: Solve for x
    x = 9,882,446,421.30/91,248.64
  6. Step 6: Final answer
    x = 108,302.40

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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.