Home / 58,144.32-80,263.54-39,306.96

Finding the Fourth Proportional to 58,144.32, 80,263.54 and 39,306.96

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Solution

The fourth proportional to 58,144.32, 80,263.54 and 39,306.96 is: 54,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.32 : 80,263.54 = 39,306.96 : x
  2. Step 2: Convert to fraction form
    58,144.32/80,263.54 = 39,306.96/x
  3. Step 3: Cross multiply
    58,144.32x = 80,263.54 × 39,306.96
  4. Step 4: Simplify right side
    58,144.32x = 3,154,915,756.24
  5. Step 5: Solve for x
    x = 3,154,915,756.24/58,144.32
  6. Step 6: Final answer
    x = 54,260.09

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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.