Home / 67,851.17-93,638.85-39,176.07

Finding the Fourth Proportional to 67,851.17, 93,638.85 and 39,176.07

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Solution

The fourth proportional to 67,851.17, 93,638.85 and 39,176.07 is: 54,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,851.17 : 93,638.85 = 39,176.07 : x
  2. Step 2: Convert to fraction form
    67,851.17/93,638.85 = 39,176.07/x
  3. Step 3: Cross multiply
    67,851.17x = 93,638.85 × 39,176.07
  4. Step 4: Simplify right side
    67,851.17x = 3,668,402,376.42
  5. Step 5: Solve for x
    x = 3,668,402,376.42/67,851.17
  6. Step 6: Final answer
    x = 54,065.43

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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.