Home / 84,156.68-116,146.50-48,346.62

Finding the Fourth Proportional to 84,156.68, 116,146.50 and 48,346.62

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Solution

The fourth proportional to 84,156.68, 116,146.50 and 48,346.62 is: 66,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.68 : 116,146.50 = 48,346.62 : x
  2. Step 2: Convert to fraction form
    84,156.68/116,146.50 = 48,346.62/x
  3. Step 3: Cross multiply
    84,156.68x = 116,146.50 × 48,346.62
  4. Step 4: Simplify right side
    84,156.68x = 5,615,290,699.83
  5. Step 5: Solve for x
    x = 5,615,290,699.83/84,156.68
  6. Step 6: Final answer
    x = 66,724.25

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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.