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Finding the Fourth Proportional to 76,297.68, 114,424.68 and 26,364.72

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Solution

The fourth proportional to 76,297.68, 114,424.68 and 26,364.72 is: 39,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,297.68 : 114,424.68 = 26,364.72 : x
  2. Step 2: Convert to fraction form
    76,297.68/114,424.68 = 26,364.72/x
  3. Step 3: Cross multiply
    76,297.68x = 114,424.68 × 26,364.72
  4. Step 4: Simplify right side
    76,297.68x = 3,016,774,649.29
  5. Step 5: Solve for x
    x = 3,016,774,649.29/76,297.68
  6. Step 6: Final answer
    x = 39,539.53

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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.