Home / 70,769.08-97,654.98-38,939.32

Finding the Fourth Proportional to 70,769.08, 97,654.98 and 38,939.32

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Solution

The fourth proportional to 70,769.08, 97,654.98 and 38,939.32 is: 53,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,769.08 : 97,654.98 = 38,939.32 : x
  2. Step 2: Convert to fraction form
    70,769.08/97,654.98 = 38,939.32/x
  3. Step 3: Cross multiply
    70,769.08x = 97,654.98 × 38,939.32
  4. Step 4: Simplify right side
    70,769.08x = 3,802,618,515.81
  5. Step 5: Solve for x
    x = 3,802,618,515.81/70,769.08
  6. Step 6: Final answer
    x = 53,732.77

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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.