Home / 74,748-103,152.24-41,216.16

Finding the Fourth Proportional to 74,748, 103,152.24 and 41,216.16

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Solution

The fourth proportional to 74,748, 103,152.24 and 41,216.16 is: 56,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748 : 103,152.24 = 41,216.16 : x
  2. Step 2: Convert to fraction form
    74,748/103,152.24 = 41,216.16/x
  3. Step 3: Cross multiply
    74,748x = 103,152.24 × 41,216.16
  4. Step 4: Simplify right side
    74,748x = 4,251,539,228.20
  5. Step 5: Solve for x
    x = 4,251,539,228.20/74,748
  6. Step 6: Final answer
    x = 56,878.30

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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.