Home / 42,251.10-63,376.65-40,307.10

Finding the Fourth Proportional to 42,251.10, 63,376.65 and 40,307.10

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Solution

The fourth proportional to 42,251.10, 63,376.65 and 40,307.10 is: 60,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,251.10 : 63,376.65 = 40,307.10 : x
  2. Step 2: Convert to fraction form
    42,251.10/63,376.65 = 40,307.10/x
  3. Step 3: Cross multiply
    42,251.10x = 63,376.65 × 40,307.10
  4. Step 4: Simplify right side
    42,251.10x = 2,554,528,969.22
  5. Step 5: Solve for x
    x = 2,554,528,969.22/42,251.10
  6. Step 6: Final answer
    x = 60,460.65

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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.