Home / 63,432.47-87,536.80-35,138.15

Finding the Fourth Proportional to 63,432.47, 87,536.80 and 35,138.15

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Solution

The fourth proportional to 63,432.47, 87,536.80 and 35,138.15 is: 48,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.47 : 87,536.80 = 35,138.15 : x
  2. Step 2: Convert to fraction form
    63,432.47/87,536.80 = 35,138.15/x
  3. Step 3: Cross multiply
    63,432.47x = 87,536.80 × 35,138.15
  4. Step 4: Simplify right side
    63,432.47x = 3,075,881,709.94
  5. Step 5: Solve for x
    x = 3,075,881,709.94/63,432.47
  6. Step 6: Final answer
    x = 48,490.65

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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.