Home / 92,862.62-128,153.04-54,624.95

Finding the Fourth Proportional to 92,862.62, 128,153.04 and 54,624.95

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Solution

The fourth proportional to 92,862.62, 128,153.04 and 54,624.95 is: 75,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,862.62 : 128,153.04 = 54,624.95 : x
  2. Step 2: Convert to fraction form
    92,862.62/128,153.04 = 54,624.95/x
  3. Step 3: Cross multiply
    92,862.62x = 128,153.04 × 54,624.95
  4. Step 4: Simplify right side
    92,862.62x = 7,000,353,402.35
  5. Step 5: Solve for x
    x = 7,000,353,402.35/92,862.62
  6. Step 6: Final answer
    x = 75,383.97

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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.