Home / 70,982.42-97,955.54-40,769.70

Finding the Fourth Proportional to 70,982.42, 97,955.54 and 40,769.70

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Solution

The fourth proportional to 70,982.42, 97,955.54 and 40,769.70 is: 56,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.42 : 97,955.54 = 40,769.70 : x
  2. Step 2: Convert to fraction form
    70,982.42/97,955.54 = 40,769.70/x
  3. Step 3: Cross multiply
    70,982.42x = 97,955.54 × 40,769.70
  4. Step 4: Simplify right side
    70,982.42x = 3,993,617,979.14
  5. Step 5: Solve for x
    x = 3,993,617,979.14/70,982.42
  6. Step 6: Final answer
    x = 56,262.07

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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.