Home / 90,867.65-136,308.19-27,693.19

Finding the Fourth Proportional to 90,867.65, 136,308.19 and 27,693.19

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Solution

The fourth proportional to 90,867.65, 136,308.19 and 27,693.19 is: 41,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,867.65 : 136,308.19 = 27,693.19 : x
  2. Step 2: Convert to fraction form
    90,867.65/136,308.19 = 27,693.19/x
  3. Step 3: Cross multiply
    90,867.65x = 136,308.19 × 27,693.19
  4. Step 4: Simplify right side
    90,867.65x = 3,774,808,835.19
  5. Step 5: Solve for x
    x = 3,774,808,835.19/90,867.65
  6. Step 6: Final answer
    x = 41,541.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.