Home / 84,350.18-126,483.55-28,171.01

Finding the Fourth Proportional to 84,350.18, 126,483.55 and 28,171.01

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Solution

The fourth proportional to 84,350.18, 126,483.55 and 28,171.01 is: 42,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.18 : 126,483.55 = 28,171.01 : x
  2. Step 2: Convert to fraction form
    84,350.18/126,483.55 = 28,171.01/x
  3. Step 3: Cross multiply
    84,350.18x = 126,483.55 × 28,171.01
  4. Step 4: Simplify right side
    84,350.18x = 3,563,169,597.67
  5. Step 5: Solve for x
    x = 3,563,169,597.67/84,350.18
  6. Step 6: Final answer
    x = 42,242.58

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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.