Home / 84,557.76-126,744.93-42,336.02

Finding the Fourth Proportional to 84,557.76, 126,744.93 and 42,336.02

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Solution

The fourth proportional to 84,557.76, 126,744.93 and 42,336.02 is: 63,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,557.76 : 126,744.93 = 42,336.02 : x
  2. Step 2: Convert to fraction form
    84,557.76/126,744.93 = 42,336.02/x
  3. Step 3: Cross multiply
    84,557.76x = 126,744.93 × 42,336.02
  4. Step 4: Simplify right side
    84,557.76x = 5,365,875,257.65
  5. Step 5: Solve for x
    x = 5,365,875,257.65/84,557.76
  6. Step 6: Final answer
    x = 63,458.11

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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.