Home / 84,777.05-127,159.70-25,613.03

Finding the Fourth Proportional to 84,777.05, 127,159.70 and 25,613.03

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Solution

The fourth proportional to 84,777.05, 127,159.70 and 25,613.03 is: 38,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,777.05 : 127,159.70 = 25,613.03 : x
  2. Step 2: Convert to fraction form
    84,777.05/127,159.70 = 25,613.03/x
  3. Step 3: Cross multiply
    84,777.05x = 127,159.70 × 25,613.03
  4. Step 4: Simplify right side
    84,777.05x = 3,256,944,447.03
  5. Step 5: Solve for x
    x = 3,256,944,447.03/84,777.05
  6. Step 6: Final answer
    x = 38,417.76

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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.