Home / 83,903.04-115,745.76-52,108.92

Finding the Fourth Proportional to 83,903.04, 115,745.76 and 52,108.92

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Solution

The fourth proportional to 83,903.04, 115,745.76 and 52,108.92 is: 71,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,903.04 : 115,745.76 = 52,108.92 : x
  2. Step 2: Convert to fraction form
    83,903.04/115,745.76 = 52,108.92/x
  3. Step 3: Cross multiply
    83,903.04x = 115,745.76 × 52,108.92
  4. Step 4: Simplify right side
    83,903.04x = 6,031,386,548.18
  5. Step 5: Solve for x
    x = 6,031,386,548.18/83,903.04
  6. Step 6: Final answer
    x = 71,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.