Home / 70,881.23-97,820.51-39,050.12

Finding the Fourth Proportional to 70,881.23, 97,820.51 and 39,050.12

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Solution

The fourth proportional to 70,881.23, 97,820.51 and 39,050.12 is: 53,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,881.23 : 97,820.51 = 39,050.12 : x
  2. Step 2: Convert to fraction form
    70,881.23/97,820.51 = 39,050.12/x
  3. Step 3: Cross multiply
    70,881.23x = 97,820.51 × 39,050.12
  4. Step 4: Simplify right side
    70,881.23x = 3,819,901,969.61
  5. Step 5: Solve for x
    x = 3,819,901,969.61/70,881.23
  6. Step 6: Final answer
    x = 53,891.59

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1.5x scale

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.