Home / 56,888.76-78,433.20-38,952.84

Finding the Fourth Proportional to 56,888.76, 78,433.20 and 38,952.84

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Solution

The fourth proportional to 56,888.76, 78,433.20 and 38,952.84 is: 53,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.76 : 78,433.20 = 38,952.84 : x
  2. Step 2: Convert to fraction form
    56,888.76/78,433.20 = 38,952.84/x
  3. Step 3: Cross multiply
    56,888.76x = 78,433.20 × 38,952.84
  4. Step 4: Simplify right side
    56,888.76x = 3,055,195,890.29
  5. Step 5: Solve for x
    x = 3,055,195,890.29/56,888.76
  6. Step 6: Final answer
    x = 53,704.74

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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.