Home / 75,084.23-103,627.87-42,818.91

Finding the Fourth Proportional to 75,084.23, 103,627.87 and 42,818.91

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Solution

The fourth proportional to 75,084.23, 103,627.87 and 42,818.91 is: 59,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.23 : 103,627.87 = 42,818.91 : x
  2. Step 2: Convert to fraction form
    75,084.23/103,627.87 = 42,818.91/x
  3. Step 3: Cross multiply
    75,084.23x = 103,627.87 × 42,818.91
  4. Step 4: Simplify right side
    75,084.23x = 4,437,232,767.13
  5. Step 5: Solve for x
    x = 4,437,232,767.13/75,084.23
  6. Step 6: Final answer
    x = 59,096.73

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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.