Home / 84,867.14-127,301.07-28,707.55

Finding the Fourth Proportional to 84,867.14, 127,301.07 and 28,707.55

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Solution

The fourth proportional to 84,867.14, 127,301.07 and 28,707.55 is: 43,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,867.14 : 127,301.07 = 28,707.55 : x
  2. Step 2: Convert to fraction form
    84,867.14/127,301.07 = 28,707.55/x
  3. Step 3: Cross multiply
    84,867.14x = 127,301.07 × 28,707.55
  4. Step 4: Simplify right side
    84,867.14x = 3,654,501,832.08
  5. Step 5: Solve for x
    x = 3,654,501,832.08/84,867.14
  6. Step 6: Final answer
    x = 43,061.45

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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.