Home / 86,514.90-119,370.12-48,781.86

Finding the Fourth Proportional to 86,514.90, 119,370.12 and 48,781.86

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Solution

The fourth proportional to 86,514.90, 119,370.12 and 48,781.86 is: 67,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,514.90 : 119,370.12 = 48,781.86 : x
  2. Step 2: Convert to fraction form
    86,514.90/119,370.12 = 48,781.86/x
  3. Step 3: Cross multiply
    86,514.90x = 119,370.12 × 48,781.86
  4. Step 4: Simplify right side
    86,514.90x = 5,823,096,482.02
  5. Step 5: Solve for x
    x = 5,823,096,482.02/86,514.90
  6. Step 6: Final answer
    x = 67,307.44

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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.