Home / 70,918.56-97,869.96-39,088.62

Finding the Fourth Proportional to 70,918.56, 97,869.96 and 39,088.62

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Solution

The fourth proportional to 70,918.56, 97,869.96 and 39,088.62 is: 53,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.56 : 97,869.96 = 39,088.62 : x
  2. Step 2: Convert to fraction form
    70,918.56/97,869.96 = 39,088.62/x
  3. Step 3: Cross multiply
    70,918.56x = 97,869.96 × 39,088.62
  4. Step 4: Simplify right side
    70,918.56x = 3,825,601,675.86
  5. Step 5: Solve for x
    x = 3,825,601,675.86/70,918.56
  6. Step 6: Final answer
    x = 53,943.59

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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.