Home / 71,529.06-98,700.03-42,842.01

Finding the Fourth Proportional to 71,529.06, 98,700.03 and 42,842.01

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Solution

The fourth proportional to 71,529.06, 98,700.03 and 42,842.01 is: 59,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,529.06 : 98,700.03 = 42,842.01 : x
  2. Step 2: Convert to fraction form
    71,529.06/98,700.03 = 42,842.01/x
  3. Step 3: Cross multiply
    71,529.06x = 98,700.03 × 42,842.01
  4. Step 4: Simplify right side
    71,529.06x = 4,228,507,672.26
  5. Step 5: Solve for x
    x = 4,228,507,672.26/71,529.06
  6. Step 6: Final answer
    x = 59,115.94

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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.