Home / 77,282.43-106,656.51-43,290.37

Finding the Fourth Proportional to 77,282.43, 106,656.51 and 43,290.37

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Solution

The fourth proportional to 77,282.43, 106,656.51 and 43,290.37 is: 59,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,282.43 : 106,656.51 = 43,290.37 : x
  2. Step 2: Convert to fraction form
    77,282.43/106,656.51 = 43,290.37/x
  3. Step 3: Cross multiply
    77,282.43x = 106,656.51 × 43,290.37
  4. Step 4: Simplify right side
    77,282.43x = 4,617,199,780.81
  5. Step 5: Solve for x
    x = 4,617,199,780.81/77,282.43
  6. Step 6: Final answer
    x = 59,744.50

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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.