Home / 83,320.50-114,982.30-45,594.76

Finding the Fourth Proportional to 83,320.50, 114,982.30 and 45,594.76

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Solution

The fourth proportional to 83,320.50, 114,982.30 and 45,594.76 is: 62,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.50 : 114,982.30 = 45,594.76 : x
  2. Step 2: Convert to fraction form
    83,320.50/114,982.30 = 45,594.76/x
  3. Step 3: Cross multiply
    83,320.50x = 114,982.30 × 45,594.76
  4. Step 4: Simplify right side
    83,320.50x = 5,242,590,372.75
  5. Step 5: Solve for x
    x = 5,242,590,372.75/83,320.50
  6. Step 6: Final answer
    x = 62,920.77

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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.