Home / 74,848.48-103,291.27-40,857.75

Finding the Fourth Proportional to 74,848.48, 103,291.27 and 40,857.75

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Solution

The fourth proportional to 74,848.48, 103,291.27 and 40,857.75 is: 56,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,848.48 : 103,291.27 = 40,857.75 : x
  2. Step 2: Convert to fraction form
    74,848.48/103,291.27 = 40,857.75/x
  3. Step 3: Cross multiply
    74,848.48x = 103,291.27 × 40,857.75
  4. Step 4: Simplify right side
    74,848.48x = 4,220,248,784.70
  5. Step 5: Solve for x
    x = 4,220,248,784.70/74,848.48
  6. Step 6: Final answer
    x = 56,383.90

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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.