Home / 70,239.78-96,981.66-43,419.06

Finding the Fourth Proportional to 70,239.78, 96,981.66 and 43,419.06

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Solution

The fourth proportional to 70,239.78, 96,981.66 and 43,419.06 is: 59,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,239.78 : 96,981.66 = 43,419.06 : x
  2. Step 2: Convert to fraction form
    70,239.78/96,981.66 = 43,419.06/x
  3. Step 3: Cross multiply
    70,239.78x = 96,981.66 × 43,419.06
  4. Step 4: Simplify right side
    70,239.78x = 4,210,852,514.44
  5. Step 5: Solve for x
    x = 4,210,852,514.44/70,239.78
  6. Step 6: Final answer
    x = 59,949.68

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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.