Home / 73,415.06-101,300.12-43,206.72

Finding the Fourth Proportional to 73,415.06, 101,300.12 and 43,206.72

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Solution

The fourth proportional to 73,415.06, 101,300.12 and 43,206.72 is: 59,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,415.06 : 101,300.12 = 43,206.72 : x
  2. Step 2: Convert to fraction form
    73,415.06/101,300.12 = 43,206.72/x
  3. Step 3: Cross multiply
    73,415.06x = 101,300.12 × 43,206.72
  4. Step 4: Simplify right side
    73,415.06x = 4,376,845,486.92
  5. Step 5: Solve for x
    x = 4,376,845,486.92/73,415.06
  6. Step 6: Final answer
    x = 59,617.82

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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.