Home / 84,491.12-116,569.18-48,680.20

Finding the Fourth Proportional to 84,491.12, 116,569.18 and 48,680.20

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Solution

The fourth proportional to 84,491.12, 116,569.18 and 48,680.20 is: 67,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491.12 : 116,569.18 = 48,680.20 : x
  2. Step 2: Convert to fraction form
    84,491.12/116,569.18 = 48,680.20/x
  3. Step 3: Cross multiply
    84,491.12x = 116,569.18 × 48,680.20
  4. Step 4: Simplify right side
    84,491.12x = 5,674,610,996.24
  5. Step 5: Solve for x
    x = 5,674,610,996.24/84,491.12
  6. Step 6: Final answer
    x = 67,162.22

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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.