Home / 87,184.04-120,282.99-56,986.76

Finding the Fourth Proportional to 87,184.04, 120,282.99 and 56,986.76

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Solution

The fourth proportional to 87,184.04, 120,282.99 and 56,986.76 is: 78,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,184.04 : 120,282.99 = 56,986.76 : x
  2. Step 2: Convert to fraction form
    87,184.04/120,282.99 = 56,986.76/x
  3. Step 3: Cross multiply
    87,184.04x = 120,282.99 × 56,986.76
  4. Step 4: Simplify right side
    87,184.04x = 6,854,537,281.80
  5. Step 5: Solve for x
    x = 6,854,537,281.80/87,184.04
  6. Step 6: Final answer
    x = 78,621.47

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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.