Home / 74,962.20-103,447.59-40,970.69

Finding the Fourth Proportional to 74,962.20, 103,447.59 and 40,970.69

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Solution

The fourth proportional to 74,962.20, 103,447.59 and 40,970.69 is: 56,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,962.20 : 103,447.59 = 40,970.69 : x
  2. Step 2: Convert to fraction form
    74,962.20/103,447.59 = 40,970.69/x
  3. Step 3: Cross multiply
    74,962.20x = 103,447.59 × 40,970.69
  4. Step 4: Simplify right side
    74,962.20x = 4,238,318,623.90
  5. Step 5: Solve for x
    x = 4,238,318,623.90/74,962.20
  6. Step 6: Final answer
    x = 56,539.41

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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.