Home / 70,918.68-97,868.23-39,087.58

Finding the Fourth Proportional to 70,918.68, 97,868.23 and 39,087.58

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Solution

The fourth proportional to 70,918.68, 97,868.23 and 39,087.58 is: 53,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.68 : 97,868.23 = 39,087.58 : x
  2. Step 2: Convert to fraction form
    70,918.68/97,868.23 = 39,087.58/x
  3. Step 3: Cross multiply
    70,918.68x = 97,868.23 × 39,087.58
  4. Step 4: Simplify right side
    70,918.68x = 3,825,432,269.58
  5. Step 5: Solve for x
    x = 3,825,432,269.58/70,918.68
  6. Step 6: Final answer
    x = 53,941.11

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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.