Home / 104,821.80-157,232.70-62,831.40

Finding the Fourth Proportional to 104,821.80, 157,232.70 and 62,831.40

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Solution

The fourth proportional to 104,821.80, 157,232.70 and 62,831.40 is: 94,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.80 : 157,232.70 = 62,831.40 : x
  2. Step 2: Convert to fraction form
    104,821.80/157,232.70 = 62,831.40/x
  3. Step 3: Cross multiply
    104,821.80x = 157,232.70 × 62,831.40
  4. Step 4: Simplify right side
    104,821.80x = 9,879,150,666.78
  5. Step 5: Solve for x
    x = 9,879,150,666.78/104,821.80
  6. Step 6: Final answer
    x = 94,247.10

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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.