Home / 58,223.76-80,285.20-39,328.08

Finding the Fourth Proportional to 58,223.76, 80,285.20 and 39,328.08

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Solution

The fourth proportional to 58,223.76, 80,285.20 and 39,328.08 is: 54,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,223.76 : 80,285.20 = 39,328.08 : x
  2. Step 2: Convert to fraction form
    58,223.76/80,285.20 = 39,328.08/x
  3. Step 3: Cross multiply
    58,223.76x = 80,285.20 × 39,328.08
  4. Step 4: Simplify right side
    58,223.76x = 3,157,462,768.42
  5. Step 5: Solve for x
    x = 3,157,462,768.42/58,223.76
  6. Step 6: Final answer
    x = 54,229.80

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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.