Home / 74,429.10-111,643.65-44,904.60

Finding the Fourth Proportional to 74,429.10, 111,643.65 and 44,904.60

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Solution

The fourth proportional to 74,429.10, 111,643.65 and 44,904.60 is: 67,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.10 : 111,643.65 = 44,904.60 : x
  2. Step 2: Convert to fraction form
    74,429.10/111,643.65 = 44,904.60/x
  3. Step 3: Cross multiply
    74,429.10x = 111,643.65 × 44,904.60
  4. Step 4: Simplify right side
    74,429.10x = 5,013,313,445.79
  5. Step 5: Solve for x
    x = 5,013,313,445.79/74,429.10
  6. Step 6: Final answer
    x = 67,356.90

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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.