Home / 124,518.32-171,831.88-67,929.68

Finding the Fourth Proportional to 124,518.32, 171,831.88 and 67,929.68

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Solution

The fourth proportional to 124,518.32, 171,831.88 and 67,929.68 is: 93,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.32 : 171,831.88 = 67,929.68 : x
  2. Step 2: Convert to fraction form
    124,518.32/171,831.88 = 67,929.68/x
  3. Step 3: Cross multiply
    124,518.32x = 171,831.88 × 67,929.68
  4. Step 4: Simplify right side
    124,518.32x = 11,672,484,622.20
  5. Step 5: Solve for x
    x = 11,672,484,622.20/124,518.32
  6. Step 6: Final answer
    x = 93,741.10

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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.