Home / 65,646.06-98,501.22-40,679.43

Finding the Fourth Proportional to 65,646.06, 98,501.22 and 40,679.43

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Solution

The fourth proportional to 65,646.06, 98,501.22 and 40,679.43 is: 61,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646.06 : 98,501.22 = 40,679.43 : x
  2. Step 2: Convert to fraction form
    65,646.06/98,501.22 = 40,679.43/x
  3. Step 3: Cross multiply
    65,646.06x = 98,501.22 × 40,679.43
  4. Step 4: Simplify right side
    65,646.06x = 4,006,973,483.90
  5. Step 5: Solve for x
    x = 4,006,973,483.90/65,646.06
  6. Step 6: Final answer
    x = 61,039.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.