Home / 83,575.02-125,216.48-69,624.78

Finding the Fourth Proportional to 83,575.02, 125,216.48 and 69,624.78

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Solution

The fourth proportional to 83,575.02, 125,216.48 and 69,624.78 is: 104,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,575.02 : 125,216.48 = 69,624.78 : x
  2. Step 2: Convert to fraction form
    83,575.02/125,216.48 = 69,624.78/x
  3. Step 3: Cross multiply
    83,575.02x = 125,216.48 × 69,624.78
  4. Step 4: Simplify right side
    83,575.02x = 8,718,169,872.37
  5. Step 5: Solve for x
    x = 8,718,169,872.37/83,575.02
  6. Step 6: Final answer
    x = 104,315.50

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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.