Home / 82,281.18-113,549.13-45,981.03

Finding the Fourth Proportional to 82,281.18, 113,549.13 and 45,981.03

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Solution

The fourth proportional to 82,281.18, 113,549.13 and 45,981.03 is: 63,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,281.18 : 113,549.13 = 45,981.03 : x
  2. Step 2: Convert to fraction form
    82,281.18/113,549.13 = 45,981.03/x
  3. Step 3: Cross multiply
    82,281.18x = 113,549.13 × 45,981.03
  4. Step 4: Simplify right side
    82,281.18x = 5,221,105,953.00
  5. Step 5: Solve for x
    x = 5,221,105,953.00/82,281.18
  6. Step 6: Final answer
    x = 63,454.44

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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.