Home / 84,356.02-126,552.86-31,765.96

Finding the Fourth Proportional to 84,356.02, 126,552.86 and 31,765.96

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Solution

The fourth proportional to 84,356.02, 126,552.86 and 31,765.96 is: 47,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,356.02 : 126,552.86 = 31,765.96 : x
  2. Step 2: Convert to fraction form
    84,356.02/126,552.86 = 31,765.96/x
  3. Step 3: Cross multiply
    84,356.02x = 126,552.86 × 31,765.96
  4. Step 4: Simplify right side
    84,356.02x = 4,020,073,088.65
  5. Step 5: Solve for x
    x = 4,020,073,088.65/84,356.02
  6. Step 6: Final answer
    x = 47,656.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.