Home / 83,868.64-125,798.85-31,274.01

Finding the Fourth Proportional to 83,868.64, 125,798.85 and 31,274.01

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Solution

The fourth proportional to 83,868.64, 125,798.85 and 31,274.01 is: 46,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868.64 : 125,798.85 = 31,274.01 : x
  2. Step 2: Convert to fraction form
    83,868.64/125,798.85 = 31,274.01/x
  3. Step 3: Cross multiply
    83,868.64x = 125,798.85 × 31,274.01
  4. Step 4: Simplify right side
    83,868.64x = 3,934,234,492.89
  5. Step 5: Solve for x
    x = 3,934,234,492.89/83,868.64
  6. Step 6: Final answer
    x = 46,909.48

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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.