Home / 74,830.02-103,278.60-44,617.20

Finding the Fourth Proportional to 74,830.02, 103,278.60 and 44,617.20

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Solution

The fourth proportional to 74,830.02, 103,278.60 and 44,617.20 is: 61,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.02 : 103,278.60 = 44,617.20 : x
  2. Step 2: Convert to fraction form
    74,830.02/103,278.60 = 44,617.20/x
  3. Step 3: Cross multiply
    74,830.02x = 103,278.60 × 44,617.20
  4. Step 4: Simplify right side
    74,830.02x = 4,608,001,951.92
  5. Step 5: Solve for x
    x = 4,608,001,951.92/74,830.02
  6. Step 6: Final answer
    x = 61,579.59

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1.5x scale

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.