Home / 102,767.47-154,151.27-27,887.63

Finding the Fourth Proportional to 102,767.47, 154,151.27 and 27,887.63

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Solution

The fourth proportional to 102,767.47, 154,151.27 and 27,887.63 is: 41,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.47 : 154,151.27 = 27,887.63 : x
  2. Step 2: Convert to fraction form
    102,767.47/154,151.27 = 27,887.63/x
  3. Step 3: Cross multiply
    102,767.47x = 154,151.27 × 27,887.63
  4. Step 4: Simplify right side
    102,767.47x = 4,298,912,776.17
  5. Step 5: Solve for x
    x = 4,298,912,776.17/102,767.47
  6. Step 6: Final answer
    x = 41,831.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.