Home / 79,929.90-119,968.47-40,514.58

Finding the Fourth Proportional to 79,929.90, 119,968.47 and 40,514.58

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Solution

The fourth proportional to 79,929.90, 119,968.47 and 40,514.58 is: 60,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,929.90 : 119,968.47 = 40,514.58 : x
  2. Step 2: Convert to fraction form
    79,929.90/119,968.47 = 40,514.58/x
  3. Step 3: Cross multiply
    79,929.90x = 119,968.47 × 40,514.58
  4. Step 4: Simplify right side
    79,929.90x = 4,860,472,175.29
  5. Step 5: Solve for x
    x = 4,860,472,175.29/79,929.90
  6. Step 6: Final answer
    x = 60,809.19

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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.