Home / 77,972.43-107,595.75-43,970.01

Finding the Fourth Proportional to 77,972.43, 107,595.75 and 43,970.01

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Solution

The fourth proportional to 77,972.43, 107,595.75 and 43,970.01 is: 60,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972.43 : 107,595.75 = 43,970.01 : x
  2. Step 2: Convert to fraction form
    77,972.43/107,595.75 = 43,970.01/x
  3. Step 3: Cross multiply
    77,972.43x = 107,595.75 × 43,970.01
  4. Step 4: Simplify right side
    77,972.43x = 4,730,986,203.46
  5. Step 5: Solve for x
    x = 4,730,986,203.46/77,972.43
  6. Step 6: Final answer
    x = 60,675.12

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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.