Home / 77,934.74-116,873.40-28,001.48

Finding the Fourth Proportional to 77,934.74, 116,873.40 and 28,001.48

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Solution

The fourth proportional to 77,934.74, 116,873.40 and 28,001.48 is: 41,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.74 : 116,873.40 = 28,001.48 : x
  2. Step 2: Convert to fraction form
    77,934.74/116,873.40 = 28,001.48/x
  3. Step 3: Cross multiply
    77,934.74x = 116,873.40 × 28,001.48
  4. Step 4: Simplify right side
    77,934.74x = 3,272,628,172.63
  5. Step 5: Solve for x
    x = 3,272,628,172.63/77,934.74
  6. Step 6: Final answer
    x = 41,991.90

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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.