Home / 124,538.72-171,867.22-70,831.46

Finding the Fourth Proportional to 124,538.72, 171,867.22 and 70,831.46

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Solution

The fourth proportional to 124,538.72, 171,867.22 and 70,831.46 is: 97,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538.72 : 171,867.22 = 70,831.46 : x
  2. Step 2: Convert to fraction form
    124,538.72/171,867.22 = 70,831.46/x
  3. Step 3: Cross multiply
    124,538.72x = 171,867.22 × 70,831.46
  4. Step 4: Simplify right side
    124,538.72x = 12,173,606,371.33
  5. Step 5: Solve for x
    x = 12,173,606,371.33/124,538.72
  6. Step 6: Final answer
    x = 97,749.57

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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.