Home / 63,307.87-87,376.55-40,675.16

Finding the Fourth Proportional to 63,307.87, 87,376.55 and 40,675.16

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Solution

The fourth proportional to 63,307.87, 87,376.55 and 40,675.16 is: 56,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,307.87 : 87,376.55 = 40,675.16 : x
  2. Step 2: Convert to fraction form
    63,307.87/87,376.55 = 40,675.16/x
  3. Step 3: Cross multiply
    63,307.87x = 87,376.55 × 40,675.16
  4. Step 4: Simplify right side
    63,307.87x = 3,554,055,166.56
  5. Step 5: Solve for x
    x = 3,554,055,166.56/63,307.87
  6. Step 6: Final answer
    x = 56,139.23

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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.