Home / 61,302.84-91,581.60-38,937.12

Finding the Fourth Proportional to 61,302.84, 91,581.60 and 38,937.12

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Solution

The fourth proportional to 61,302.84, 91,581.60 and 38,937.12 is: 58,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.84 : 91,581.60 = 38,937.12 : x
  2. Step 2: Convert to fraction form
    61,302.84/91,581.60 = 38,937.12/x
  3. Step 3: Cross multiply
    61,302.84x = 91,581.60 × 38,937.12
  4. Step 4: Simplify right side
    61,302.84x = 3,565,923,748.99
  5. Step 5: Solve for x
    x = 3,565,923,748.99/61,302.84
  6. Step 6: Final answer
    x = 58,168.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.