Home / 83,364.24-124,800.12-53,693.40

Finding the Fourth Proportional to 83,364.24, 124,800.12 and 53,693.40

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Solution

The fourth proportional to 83,364.24, 124,800.12 and 53,693.40 is: 80,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364.24 : 124,800.12 = 53,693.40 : x
  2. Step 2: Convert to fraction form
    83,364.24/124,800.12 = 53,693.40/x
  3. Step 3: Cross multiply
    83,364.24x = 124,800.12 × 53,693.40
  4. Step 4: Simplify right side
    83,364.24x = 6,700,942,763.21
  5. Step 5: Solve for x
    x = 6,700,942,763.21/83,364.24
  6. Step 6: Final answer
    x = 80,381.50

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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.