Home / 123,444.76-170,367.63-69,733.24

Finding the Fourth Proportional to 123,444.76, 170,367.63 and 69,733.24

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Solution

The fourth proportional to 123,444.76, 170,367.63 and 69,733.24 is: 96,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.76 : 170,367.63 = 69,733.24 : x
  2. Step 2: Convert to fraction form
    123,444.76/170,367.63 = 69,733.24/x
  3. Step 3: Cross multiply
    123,444.76x = 170,367.63 × 69,733.24
  4. Step 4: Simplify right side
    123,444.76x = 11,880,286,831.02
  5. Step 5: Solve for x
    x = 11,880,286,831.02/123,444.76
  6. Step 6: Final answer
    x = 96,239.70

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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.