Home / 84,646.17-126,962.60-42,483.33

Finding the Fourth Proportional to 84,646.17, 126,962.60 and 42,483.33

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Solution

The fourth proportional to 84,646.17, 126,962.60 and 42,483.33 is: 63,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,646.17 : 126,962.60 = 42,483.33 : x
  2. Step 2: Convert to fraction form
    84,646.17/126,962.60 = 42,483.33/x
  3. Step 3: Cross multiply
    84,646.17x = 126,962.60 × 42,483.33
  4. Step 4: Simplify right side
    84,646.17x = 5,393,793,821.04
  5. Step 5: Solve for x
    x = 5,393,793,821.04/84,646.17
  6. Step 6: Final answer
    x = 63,721.65

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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.