Home / 63,816.02-88,187.48-47,872.79

Finding the Fourth Proportional to 63,816.02, 88,187.48 and 47,872.79

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Solution

The fourth proportional to 63,816.02, 88,187.48 and 47,872.79 is: 66,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,816.02 : 88,187.48 = 47,872.79 : x
  2. Step 2: Convert to fraction form
    63,816.02/88,187.48 = 47,872.79/x
  3. Step 3: Cross multiply
    63,816.02x = 88,187.48 × 47,872.79
  4. Step 4: Simplify right side
    63,816.02x = 4,221,780,809.88
  5. Step 5: Solve for x
    x = 4,221,780,809.88/63,816.02
  6. Step 6: Final answer
    x = 66,155.50

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1.5x scale

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.