Home / 84,421.02-126,594.60-40,060.43

Finding the Fourth Proportional to 84,421.02, 126,594.60 and 40,060.43

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Solution

The fourth proportional to 84,421.02, 126,594.60 and 40,060.43 is: 60,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,421.02 : 126,594.60 = 40,060.43 : x
  2. Step 2: Convert to fraction form
    84,421.02/126,594.60 = 40,060.43/x
  3. Step 3: Cross multiply
    84,421.02x = 126,594.60 × 40,060.43
  4. Step 4: Simplify right side
    84,421.02x = 5,071,434,111.68
  5. Step 5: Solve for x
    x = 5,071,434,111.68/84,421.02
  6. Step 6: Final answer
    x = 60,073.12

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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.