Home / 70,938.27-97,894.76-39,107.70

Finding the Fourth Proportional to 70,938.27, 97,894.76 and 39,107.70

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Solution

The fourth proportional to 70,938.27, 97,894.76 and 39,107.70 is: 53,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.27 : 97,894.76 = 39,107.70 : x
  2. Step 2: Convert to fraction form
    70,938.27/97,894.76 = 39,107.70/x
  3. Step 3: Cross multiply
    70,938.27x = 97,894.76 × 39,107.70
  4. Step 4: Simplify right side
    70,938.27x = 3,828,438,710.11
  5. Step 5: Solve for x
    x = 3,828,438,710.11/70,938.27
  6. Step 6: Final answer
    x = 53,968.59

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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.