Home / 115,549.49-159,459.35-67,803.63

Finding the Fourth Proportional to 115,549.49, 159,459.35 and 67,803.63

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Solution

The fourth proportional to 115,549.49, 159,459.35 and 67,803.63 is: 93,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,549.49 : 159,459.35 = 67,803.63 : x
  2. Step 2: Convert to fraction form
    115,549.49/159,459.35 = 67,803.63/x
  3. Step 3: Cross multiply
    115,549.49x = 159,459.35 × 67,803.63
  4. Step 4: Simplify right side
    115,549.49x = 10,811,922,428.42
  5. Step 5: Solve for x
    x = 10,811,922,428.42/115,549.49
  6. Step 6: Final answer
    x = 93,569.63

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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.