Home / 87,041.49-119,335.00-85,466.85

Finding the Fourth Proportional to 87,041.49, 119,335.00 and 85,466.85

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Solution

The fourth proportional to 87,041.49, 119,335.00 and 85,466.85 is: 117,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,041.49 : 119,335.00 = 85,466.85 : x
  2. Step 2: Convert to fraction form
    87,041.49/119,335.00 = 85,466.85/x
  3. Step 3: Cross multiply
    87,041.49x = 119,335.00 × 85,466.85
  4. Step 4: Simplify right side
    87,041.49x = 10,199,185,803.45
  5. Step 5: Solve for x
    x = 10,199,185,803.45/87,041.49
  6. Step 6: Final answer
    x = 117,176.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.