Home / 71,087.27-98,100.29-40,878.42

Finding the Fourth Proportional to 71,087.27, 98,100.29 and 40,878.42

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Solution

The fourth proportional to 71,087.27, 98,100.29 and 40,878.42 is: 56,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087.27 : 98,100.29 = 40,878.42 : x
  2. Step 2: Convert to fraction form
    71,087.27/98,100.29 = 40,878.42/x
  3. Step 3: Cross multiply
    71,087.27x = 98,100.29 × 40,878.42
  4. Step 4: Simplify right side
    71,087.27x = 4,010,184,652.35
  5. Step 5: Solve for x
    x = 4,010,184,652.35/71,087.27
  6. Step 6: Final answer
    x = 56,412.14

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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.