Home / 96,971.98-133,789.17-79,036.18

Finding the Fourth Proportional to 96,971.98, 133,789.17 and 79,036.18

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Solution

The fourth proportional to 96,971.98, 133,789.17 and 79,036.18 is: 109,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,971.98 : 133,789.17 = 79,036.18 : x
  2. Step 2: Convert to fraction form
    96,971.98/133,789.17 = 79,036.18/x
  3. Step 3: Cross multiply
    96,971.98x = 133,789.17 × 79,036.18
  4. Step 4: Simplify right side
    96,971.98x = 10,574,184,922.17
  5. Step 5: Solve for x
    x = 10,574,184,922.17/96,971.98
  6. Step 6: Final answer
    x = 109,043.71

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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.