Home / 74,911.02-103,376.43-43,079.10

Finding the Fourth Proportional to 74,911.02, 103,376.43 and 43,079.10

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Solution

The fourth proportional to 74,911.02, 103,376.43 and 43,079.10 is: 59,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911.02 : 103,376.43 = 43,079.10 : x
  2. Step 2: Convert to fraction form
    74,911.02/103,376.43 = 43,079.10/x
  3. Step 3: Cross multiply
    74,911.02x = 103,376.43 × 43,079.10
  4. Step 4: Simplify right side
    74,911.02x = 4,453,363,565.61
  5. Step 5: Solve for x
    x = 4,453,363,565.61/74,911.02
  6. Step 6: Final answer
    x = 59,448.71

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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.