Home / 123,549.84-170,492.16-69,831.66

Finding the Fourth Proportional to 123,549.84, 170,492.16 and 69,831.66

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Solution

The fourth proportional to 123,549.84, 170,492.16 and 69,831.66 is: 96,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.84 : 170,492.16 = 69,831.66 : x
  2. Step 2: Convert to fraction form
    123,549.84/170,492.16 = 69,831.66/x
  3. Step 3: Cross multiply
    123,549.84x = 170,492.16 × 69,831.66
  4. Step 4: Simplify right side
    123,549.84x = 11,905,750,549.79
  5. Step 5: Solve for x
    x = 11,905,750,549.79/123,549.84
  6. Step 6: Final answer
    x = 96,363.95

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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.