Home / 66,312.03-99,431.69-26,290.47

Finding the Fourth Proportional to 66,312.03, 99,431.69 and 26,290.47

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Solution

The fourth proportional to 66,312.03, 99,431.69 and 26,290.47 is: 39,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312.03 : 99,431.69 = 26,290.47 : x
  2. Step 2: Convert to fraction form
    66,312.03/99,431.69 = 26,290.47/x
  3. Step 3: Cross multiply
    66,312.03x = 99,431.69 × 26,290.47
  4. Step 4: Simplify right side
    66,312.03x = 2,614,105,862.99
  5. Step 5: Solve for x
    x = 2,614,105,862.99/66,312.03
  6. Step 6: Final answer
    x = 39,421.29

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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.