Home / 88,086.10-121,530.54-49,318.21

Finding the Fourth Proportional to 88,086.10, 121,530.54 and 49,318.21

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Solution

The fourth proportional to 88,086.10, 121,530.54 and 49,318.21 is: 68,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086.10 : 121,530.54 = 49,318.21 : x
  2. Step 2: Convert to fraction form
    88,086.10/121,530.54 = 49,318.21/x
  3. Step 3: Cross multiply
    88,086.10x = 121,530.54 × 49,318.21
  4. Step 4: Simplify right side
    88,086.10x = 5,993,668,693.13
  5. Step 5: Solve for x
    x = 5,993,668,693.13/88,086.10
  6. Step 6: Final answer
    x = 68,043.30

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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.