Home / 115,548.99-159,458.66-67,803.13

Finding the Fourth Proportional to 115,548.99, 159,458.66 and 67,803.13

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Solution

The fourth proportional to 115,548.99, 159,458.66 and 67,803.13 is: 93,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,548.99 : 159,458.66 = 67,803.13 : x
  2. Step 2: Convert to fraction form
    115,548.99/159,458.66 = 67,803.13/x
  3. Step 3: Cross multiply
    115,548.99x = 159,458.66 × 67,803.13
  4. Step 4: Simplify right side
    115,548.99x = 10,811,796,253.61
  5. Step 5: Solve for x
    x = 10,811,796,253.61/115,548.99
  6. Step 6: Final answer
    x = 93,568.94

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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.