Home / 105,740.36-145,949.46-63,332.04

Finding the Fourth Proportional to 105,740.36, 145,949.46 and 63,332.04

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Solution

The fourth proportional to 105,740.36, 145,949.46 and 63,332.04 is: 87,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,740.36 : 145,949.46 = 63,332.04 : x
  2. Step 2: Convert to fraction form
    105,740.36/145,949.46 = 63,332.04/x
  3. Step 3: Cross multiply
    105,740.36x = 145,949.46 × 63,332.04
  4. Step 4: Simplify right side
    105,740.36x = 9,243,277,038.70
  5. Step 5: Solve for x
    x = 9,243,277,038.70/105,740.36
  6. Step 6: Final answer
    x = 87,414.84

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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.