Home / 79,381.16-109,551.60-52,476.92

Finding the Fourth Proportional to 79,381.16, 109,551.60 and 52,476.92

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Solution

The fourth proportional to 79,381.16, 109,551.60 and 52,476.92 is: 72,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,381.16 : 109,551.60 = 52,476.92 : x
  2. Step 2: Convert to fraction form
    79,381.16/109,551.60 = 52,476.92/x
  3. Step 3: Cross multiply
    79,381.16x = 109,551.60 × 52,476.92
  4. Step 4: Simplify right side
    79,381.16x = 5,748,930,549.07
  5. Step 5: Solve for x
    x = 5,748,930,549.07/79,381.16
  6. Step 6: Final answer
    x = 72,421.85

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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.