Home / 70,302.78-97,016.94-40,087.26

Finding the Fourth Proportional to 70,302.78, 97,016.94 and 40,087.26

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Solution

The fourth proportional to 70,302.78, 97,016.94 and 40,087.26 is: 55,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,302.78 : 97,016.94 = 40,087.26 : x
  2. Step 2: Convert to fraction form
    70,302.78/97,016.94 = 40,087.26/x
  3. Step 3: Cross multiply
    70,302.78x = 97,016.94 × 40,087.26
  4. Step 4: Simplify right side
    70,302.78x = 3,889,143,298.18
  5. Step 5: Solve for x
    x = 3,889,143,298.18/70,302.78
  6. Step 6: Final answer
    x = 55,319.91

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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.