Home / 63,715.28-87,925.32-35,418.96

Finding the Fourth Proportional to 63,715.28, 87,925.32 and 35,418.96

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Solution

The fourth proportional to 63,715.28, 87,925.32 and 35,418.96 is: 48,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.28 : 87,925.32 = 35,418.96 : x
  2. Step 2: Convert to fraction form
    63,715.28/87,925.32 = 35,418.96/x
  3. Step 3: Cross multiply
    63,715.28x = 87,925.32 × 35,418.96
  4. Step 4: Simplify right side
    63,715.28x = 3,114,223,392.07
  5. Step 5: Solve for x
    x = 3,114,223,392.07/63,715.28
  6. Step 6: Final answer
    x = 48,877.18

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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.