Home / 76,701.32-114,514-64,894.76

Finding the Fourth Proportional to 76,701.32, 114,514 and 64,894.76

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Solution

The fourth proportional to 76,701.32, 114,514 and 64,894.76 is: 96,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,701.32 : 114,514 = 64,894.76 : x
  2. Step 2: Convert to fraction form
    76,701.32/114,514 = 64,894.76/x
  3. Step 3: Cross multiply
    76,701.32x = 114,514 × 64,894.76
  4. Step 4: Simplify right side
    76,701.32x = 7,431,358,546.64
  5. Step 5: Solve for x
    x = 7,431,358,546.64/76,701.32
  6. Step 6: Final answer
    x = 96,886.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.