Home / 84,065.04-116,014.68-48,255.12

Finding the Fourth Proportional to 84,065.04, 116,014.68 and 48,255.12

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Solution

The fourth proportional to 84,065.04, 116,014.68 and 48,255.12 is: 66,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065.04 : 116,014.68 = 48,255.12 : x
  2. Step 2: Convert to fraction form
    84,065.04/116,014.68 = 48,255.12/x
  3. Step 3: Cross multiply
    84,065.04x = 116,014.68 × 48,255.12
  4. Step 4: Simplify right side
    84,065.04x = 5,598,302,305.16
  5. Step 5: Solve for x
    x = 5,598,302,305.16/84,065.04
  6. Step 6: Final answer
    x = 66,594.89

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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.