Home / 84,031.02-125,750.36-52,455.90

Finding the Fourth Proportional to 84,031.02, 125,750.36 and 52,455.90

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Solution

The fourth proportional to 84,031.02, 125,750.36 and 52,455.90 is: 78,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.02 : 125,750.36 = 52,455.90 : x
  2. Step 2: Convert to fraction form
    84,031.02/125,750.36 = 52,455.90/x
  3. Step 3: Cross multiply
    84,031.02x = 125,750.36 × 52,455.90
  4. Step 4: Simplify right side
    84,031.02x = 6,596,348,046.84
  5. Step 5: Solve for x
    x = 6,596,348,046.84/84,031.02
  6. Step 6: Final answer
    x = 78,498.96

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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.