Home / 70,290.35-96,998.27-40,085.40

Finding the Fourth Proportional to 70,290.35, 96,998.27 and 40,085.40

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Solution

The fourth proportional to 70,290.35, 96,998.27 and 40,085.40 is: 55,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,290.35 : 96,998.27 = 40,085.40 : x
  2. Step 2: Convert to fraction form
    70,290.35/96,998.27 = 40,085.40/x
  3. Step 3: Cross multiply
    70,290.35x = 96,998.27 × 40,085.40
  4. Step 4: Simplify right side
    70,290.35x = 3,888,214,452.26
  5. Step 5: Solve for x
    x = 3,888,214,452.26/70,290.35
  6. Step 6: Final answer
    x = 55,316.48

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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.