Home / 115,666.76-159,618.82-62,674.76

Finding the Fourth Proportional to 115,666.76, 159,618.82 and 62,674.76

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Solution

The fourth proportional to 115,666.76, 159,618.82 and 62,674.76 is: 86,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.76 : 159,618.82 = 62,674.76 : x
  2. Step 2: Convert to fraction form
    115,666.76/159,618.82 = 62,674.76/x
  3. Step 3: Cross multiply
    115,666.76x = 159,618.82 × 62,674.76
  4. Step 4: Simplify right side
    115,666.76x = 10,004,071,234.98
  5. Step 5: Solve for x
    x = 10,004,071,234.98/115,666.76
  6. Step 6: Final answer
    x = 86,490.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.