Home / 67,690.74-93,246.18-57,586.80

Finding the Fourth Proportional to 67,690.74, 93,246.18 and 57,586.80

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Solution

The fourth proportional to 67,690.74, 93,246.18 and 57,586.80 is: 79,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,690.74 : 93,246.18 = 57,586.80 : x
  2. Step 2: Convert to fraction form
    67,690.74/93,246.18 = 57,586.80/x
  3. Step 3: Cross multiply
    67,690.74x = 93,246.18 × 57,586.80
  4. Step 4: Simplify right side
    67,690.74x = 5,369,749,118.42
  5. Step 5: Solve for x
    x = 5,369,749,118.42/67,690.74
  6. Step 6: Final answer
    x = 79,327.68

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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.