Home / 84,542.61-126,809.56-28,383.15

Finding the Fourth Proportional to 84,542.61, 126,809.56 and 28,383.15

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Solution

The fourth proportional to 84,542.61, 126,809.56 and 28,383.15 is: 42,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.61 : 126,809.56 = 28,383.15 : x
  2. Step 2: Convert to fraction form
    84,542.61/126,809.56 = 28,383.15/x
  3. Step 3: Cross multiply
    84,542.61x = 126,809.56 × 28,383.15
  4. Step 4: Simplify right side
    84,542.61x = 3,599,254,762.91
  5. Step 5: Solve for x
    x = 3,599,254,762.91/84,542.61
  6. Step 6: Final answer
    x = 42,573.26

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1.5x scale

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.