Home / 70,940.14-97,898.08-39,110.20

Finding the Fourth Proportional to 70,940.14, 97,898.08 and 39,110.20

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Solution

The fourth proportional to 70,940.14, 97,898.08 and 39,110.20 is: 53,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.14 : 97,898.08 = 39,110.20 : x
  2. Step 2: Convert to fraction form
    70,940.14/97,898.08 = 39,110.20/x
  3. Step 3: Cross multiply
    70,940.14x = 97,898.08 × 39,110.20
  4. Step 4: Simplify right side
    70,940.14x = 3,828,813,488.42
  5. Step 5: Solve for x
    x = 3,828,813,488.42/70,940.14
  6. Step 6: Final answer
    x = 53,972.45

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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.