Home / 77,071.06-106,357.76-43,079.51

Finding the Fourth Proportional to 77,071.06, 106,357.76 and 43,079.51

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Solution

The fourth proportional to 77,071.06, 106,357.76 and 43,079.51 is: 59,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.06 : 106,357.76 = 43,079.51 : x
  2. Step 2: Convert to fraction form
    77,071.06/106,357.76 = 43,079.51/x
  3. Step 3: Cross multiply
    77,071.06x = 106,357.76 × 43,079.51
  4. Step 4: Simplify right side
    77,071.06x = 4,581,839,970.10
  5. Step 5: Solve for x
    x = 4,581,839,970.10/77,071.06
  6. Step 6: Final answer
    x = 59,449.55

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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.