Home / 84,946.08-127,437.66-25,786.20

Finding the Fourth Proportional to 84,946.08, 127,437.66 and 25,786.20

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Solution

The fourth proportional to 84,946.08, 127,437.66 and 25,786.20 is: 38,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.08 : 127,437.66 = 25,786.20 : x
  2. Step 2: Convert to fraction form
    84,946.08/127,437.66 = 25,786.20/x
  3. Step 3: Cross multiply
    84,946.08x = 127,437.66 × 25,786.20
  4. Step 4: Simplify right side
    84,946.08x = 3,286,132,988.29
  5. Step 5: Solve for x
    x = 3,286,132,988.29/84,946.08
  6. Step 6: Final answer
    x = 38,684.93

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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.