Home / 77,948.68-116,910.04-28,018.68

Finding the Fourth Proportional to 77,948.68, 116,910.04 and 28,018.68

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Solution

The fourth proportional to 77,948.68, 116,910.04 and 28,018.68 is: 42,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948.68 : 116,910.04 = 28,018.68 : x
  2. Step 2: Convert to fraction form
    77,948.68/116,910.04 = 28,018.68/x
  3. Step 3: Cross multiply
    77,948.68x = 116,910.04 × 28,018.68
  4. Step 4: Simplify right side
    77,948.68x = 3,275,664,999.55
  5. Step 5: Solve for x
    x = 3,275,664,999.55/77,948.68
  6. Step 6: Final answer
    x = 42,023.35

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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.