Home / 63,928.64-88,380.95-47,985.41

Finding the Fourth Proportional to 63,928.64, 88,380.95 and 47,985.41

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Solution

The fourth proportional to 63,928.64, 88,380.95 and 47,985.41 is: 66,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.64 : 88,380.95 = 47,985.41 : x
  2. Step 2: Convert to fraction form
    63,928.64/88,380.95 = 47,985.41/x
  3. Step 3: Cross multiply
    63,928.64x = 88,380.95 × 47,985.41
  4. Step 4: Simplify right side
    63,928.64x = 4,240,995,440.11
  5. Step 5: Solve for x
    x = 4,240,995,440.11/63,928.64
  6. Step 6: Final answer
    x = 66,339.53

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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.