Home / 66,040-98,948.19-47,224.51

Finding the Fourth Proportional to 66,040, 98,948.19 and 47,224.51

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Solution

The fourth proportional to 66,040, 98,948.19 and 47,224.51 is: 70,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,040 : 98,948.19 = 47,224.51 : x
  2. Step 2: Convert to fraction form
    66,040/98,948.19 = 47,224.51/x
  3. Step 3: Cross multiply
    66,040x = 98,948.19 × 47,224.51
  4. Step 4: Simplify right side
    66,040x = 4,672,779,788.14
  5. Step 5: Solve for x
    x = 4,672,779,788.14/66,040
  6. Step 6: Final answer
    x = 70,756.81

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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.