Home / 49,746.36-74,541.78-42,320.28

Finding the Fourth Proportional to 49,746.36, 74,541.78 and 42,320.28

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Solution

The fourth proportional to 49,746.36, 74,541.78 and 42,320.28 is: 63,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,746.36 : 74,541.78 = 42,320.28 : x
  2. Step 2: Convert to fraction form
    49,746.36/74,541.78 = 42,320.28/x
  3. Step 3: Cross multiply
    49,746.36x = 74,541.78 × 42,320.28
  4. Step 4: Simplify right side
    49,746.36x = 3,154,629,001.30
  5. Step 5: Solve for x
    x = 3,154,629,001.30/49,746.36
  6. Step 6: Final answer
    x = 63,414.27

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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.