Home / 74,539.48-102,873.24-42,718.60

Finding the Fourth Proportional to 74,539.48, 102,873.24 and 42,718.60

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Solution

The fourth proportional to 74,539.48, 102,873.24 and 42,718.60 is: 58,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.48 : 102,873.24 = 42,718.60 : x
  2. Step 2: Convert to fraction form
    74,539.48/102,873.24 = 42,718.60/x
  3. Step 3: Cross multiply
    74,539.48x = 102,873.24 × 42,718.60
  4. Step 4: Simplify right side
    74,539.48x = 4,394,600,790.26
  5. Step 5: Solve for x
    x = 4,394,600,790.26/74,539.48
  6. Step 6: Final answer
    x = 58,956.69

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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.