Home / 84,289.95-116,320.03-48,479.04

Finding the Fourth Proportional to 84,289.95, 116,320.03 and 48,479.04

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Solution

The fourth proportional to 84,289.95, 116,320.03 and 48,479.04 is: 66,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.95 : 116,320.03 = 48,479.04 : x
  2. Step 2: Convert to fraction form
    84,289.95/116,320.03 = 48,479.04/x
  3. Step 3: Cross multiply
    84,289.95x = 116,320.03 × 48,479.04
  4. Step 4: Simplify right side
    84,289.95x = 5,639,083,387.17
  5. Step 5: Solve for x
    x = 5,639,083,387.17/84,289.95
  6. Step 6: Final answer
    x = 66,901.02

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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.