Home / 85,108.41-127,681.76-25,950.06

Finding the Fourth Proportional to 85,108.41, 127,681.76 and 25,950.06

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Solution

The fourth proportional to 85,108.41, 127,681.76 and 25,950.06 is: 38,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,108.41 : 127,681.76 = 25,950.06 : x
  2. Step 2: Convert to fraction form
    85,108.41/127,681.76 = 25,950.06/x
  3. Step 3: Cross multiply
    85,108.41x = 127,681.76 × 25,950.06
  4. Step 4: Simplify right side
    85,108.41x = 3,313,349,300.47
  5. Step 5: Solve for x
    x = 3,313,349,300.47/85,108.41
  6. Step 6: Final answer
    x = 38,930.93

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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.