Home / 82,609.20-114,018.93-54,317.52

Finding the Fourth Proportional to 82,609.20, 114,018.93 and 54,317.52

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Solution

The fourth proportional to 82,609.20, 114,018.93 and 54,317.52 is: 74,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609.20 : 114,018.93 = 54,317.52 : x
  2. Step 2: Convert to fraction form
    82,609.20/114,018.93 = 54,317.52/x
  3. Step 3: Cross multiply
    82,609.20x = 114,018.93 × 54,317.52
  4. Step 4: Simplify right side
    82,609.20x = 6,193,225,510.65
  5. Step 5: Solve for x
    x = 6,193,225,510.65/82,609.20
  6. Step 6: Final answer
    x = 74,970.17

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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.