Home / 102,547.22-153,831.56-27,667.98

Finding the Fourth Proportional to 102,547.22, 153,831.56 and 27,667.98

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Solution

The fourth proportional to 102,547.22, 153,831.56 and 27,667.98 is: 41,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.22 : 153,831.56 = 27,667.98 : x
  2. Step 2: Convert to fraction form
    102,547.22/153,831.56 = 27,667.98/x
  3. Step 3: Cross multiply
    102,547.22x = 153,831.56 × 27,667.98
  4. Step 4: Simplify right side
    102,547.22x = 4,256,208,387.11
  5. Step 5: Solve for x
    x = 4,256,208,387.11/102,547.22
  6. Step 6: Final answer
    x = 41,504.87

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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.