Home / 86,545.49-129,822.96-27,376.76

Finding the Fourth Proportional to 86,545.49, 129,822.96 and 27,376.76

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Solution

The fourth proportional to 86,545.49, 129,822.96 and 27,376.76 is: 41,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,545.49 : 129,822.96 = 27,376.76 : x
  2. Step 2: Convert to fraction form
    86,545.49/129,822.96 = 27,376.76/x
  3. Step 3: Cross multiply
    86,545.49x = 129,822.96 × 27,376.76
  4. Step 4: Simplify right side
    86,545.49x = 3,554,132,018.41
  5. Step 5: Solve for x
    x = 3,554,132,018.41/86,545.49
  6. Step 6: Final answer
    x = 41,066.63

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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.