Home / 70,881.22-97,820.50-39,050.10

Finding the Fourth Proportional to 70,881.22, 97,820.50 and 39,050.10

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Solution

The fourth proportional to 70,881.22, 97,820.50 and 39,050.10 is: 53,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,881.22 : 97,820.50 = 39,050.10 : x
  2. Step 2: Convert to fraction form
    70,881.22/97,820.50 = 39,050.10/x
  3. Step 3: Cross multiply
    70,881.22x = 97,820.50 × 39,050.10
  4. Step 4: Simplify right side
    70,881.22x = 3,819,900,307.05
  5. Step 5: Solve for x
    x = 3,819,900,307.05/70,881.22
  6. Step 6: Final answer
    x = 53,891.57

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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.