Home / 85,301.39-127,897.34-35,415.92

Finding the Fourth Proportional to 85,301.39, 127,897.34 and 35,415.92

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Solution

The fourth proportional to 85,301.39, 127,897.34 and 35,415.92 is: 53,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,301.39 : 127,897.34 = 35,415.92 : x
  2. Step 2: Convert to fraction form
    85,301.39/127,897.34 = 35,415.92/x
  3. Step 3: Cross multiply
    85,301.39x = 127,897.34 × 35,415.92
  4. Step 4: Simplify right side
    85,301.39x = 4,529,601,145.09
  5. Step 5: Solve for x
    x = 4,529,601,145.09/85,301.39
  6. Step 6: Final answer
    x = 53,101.14

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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.