Home / 124,516.18-171,831.54-70,801.20

Finding the Fourth Proportional to 124,516.18, 171,831.54 and 70,801.20

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Solution

The fourth proportional to 124,516.18, 171,831.54 and 70,801.20 is: 97,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.18 : 171,831.54 = 70,801.20 : x
  2. Step 2: Convert to fraction form
    124,516.18/171,831.54 = 70,801.20/x
  3. Step 3: Cross multiply
    124,516.18x = 171,831.54 × 70,801.20
  4. Step 4: Simplify right side
    124,516.18x = 12,165,879,229.85
  5. Step 5: Solve for x
    x = 12,165,879,229.85/124,516.18
  6. Step 6: Final answer
    x = 97,705.21

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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.