Home / 70,988.35-97,965.77-38,723.51

Finding the Fourth Proportional to 70,988.35, 97,965.77 and 38,723.51

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Solution

The fourth proportional to 70,988.35, 97,965.77 and 38,723.51 is: 53,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.35 : 97,965.77 = 38,723.51 : x
  2. Step 2: Convert to fraction form
    70,988.35/97,965.77 = 38,723.51/x
  3. Step 3: Cross multiply
    70,988.35x = 97,965.77 × 38,723.51
  4. Step 4: Simplify right side
    70,988.35x = 3,793,578,358.93
  5. Step 5: Solve for x
    x = 3,793,578,358.93/70,988.35
  6. Step 6: Final answer
    x = 53,439.45

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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.