Home / 48,742.17-72,946.92-40,853.60

Finding the Fourth Proportional to 48,742.17, 72,946.92 and 40,853.60

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Solution

The fourth proportional to 48,742.17, 72,946.92 and 40,853.60 is: 61,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.17 : 72,946.92 = 40,853.60 : x
  2. Step 2: Convert to fraction form
    48,742.17/72,946.92 = 40,853.60/x
  3. Step 3: Cross multiply
    48,742.17x = 72,946.92 × 40,853.60
  4. Step 4: Simplify right side
    48,742.17x = 2,980,143,926.18
  5. Step 5: Solve for x
    x = 2,980,143,926.18/48,742.17
  6. Step 6: Final answer
    x = 61,140.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.