Home / 70,946.70-97,907.10-39,116.73

Finding the Fourth Proportional to 70,946.70, 97,907.10 and 39,116.73

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Solution

The fourth proportional to 70,946.70, 97,907.10 and 39,116.73 is: 53,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.70 : 97,907.10 = 39,116.73 : x
  2. Step 2: Convert to fraction form
    70,946.70/97,907.10 = 39,116.73/x
  3. Step 3: Cross multiply
    70,946.70x = 97,907.10 × 39,116.73
  4. Step 4: Simplify right side
    70,946.70x = 3,829,805,595.78
  5. Step 5: Solve for x
    x = 3,829,805,595.78/70,946.70
  6. Step 6: Final answer
    x = 53,981.45

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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.