Home / 75,685.60-104,454.34-41,697.58

Finding the Fourth Proportional to 75,685.60, 104,454.34 and 41,697.58

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Solution

The fourth proportional to 75,685.60, 104,454.34 and 41,697.58 is: 57,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.60 : 104,454.34 = 41,697.58 : x
  2. Step 2: Convert to fraction form
    75,685.60/104,454.34 = 41,697.58/x
  3. Step 3: Cross multiply
    75,685.60x = 104,454.34 × 41,697.58
  4. Step 4: Simplify right side
    75,685.60x = 4,355,493,198.50
  5. Step 5: Solve for x
    x = 4,355,493,198.50/75,685.60
  6. Step 6: Final answer
    x = 57,547.18

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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.