Home / 70,918.23-97,867.15-39,087.13

Finding the Fourth Proportional to 70,918.23, 97,867.15 and 39,087.13

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Solution

The fourth proportional to 70,918.23, 97,867.15 and 39,087.13 is: 53,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.23 : 97,867.15 = 39,087.13 : x
  2. Step 2: Convert to fraction form
    70,918.23/97,867.15 = 39,087.13/x
  3. Step 3: Cross multiply
    70,918.23x = 97,867.15 × 39,087.13
  4. Step 4: Simplify right side
    70,918.23x = 3,825,346,014.78
  5. Step 5: Solve for x
    x = 3,825,346,014.78/70,918.23
  6. Step 6: Final answer
    x = 53,940.24

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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.