Home / 61,198.32-91,802.04-31,597.68

Finding the Fourth Proportional to 61,198.32, 91,802.04 and 31,597.68

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Solution

The fourth proportional to 61,198.32, 91,802.04 and 31,597.68 is: 47,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.32 : 91,802.04 = 31,597.68 : x
  2. Step 2: Convert to fraction form
    61,198.32/91,802.04 = 31,597.68/x
  3. Step 3: Cross multiply
    61,198.32x = 91,802.04 × 31,597.68
  4. Step 4: Simplify right side
    61,198.32x = 2,900,731,483.27
  5. Step 5: Solve for x
    x = 2,900,731,483.27/61,198.32
  6. Step 6: Final answer
    x = 47,398.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.