Home / 56,218.17-77,582.10-30,725.62

Finding the Fourth Proportional to 56,218.17, 77,582.10 and 30,725.62

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Solution

The fourth proportional to 56,218.17, 77,582.10 and 30,725.62 is: 42,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.17 : 77,582.10 = 30,725.62 : x
  2. Step 2: Convert to fraction form
    56,218.17/77,582.10 = 30,725.62/x
  3. Step 3: Cross multiply
    56,218.17x = 77,582.10 × 30,725.62
  4. Step 4: Simplify right side
    56,218.17x = 2,383,758,123.40
  5. Step 5: Solve for x
    x = 2,383,758,123.40/56,218.17
  6. Step 6: Final answer
    x = 42,401.92

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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.