Home / 70,587.57-97,383.06-40,356.66

Finding the Fourth Proportional to 70,587.57, 97,383.06 and 40,356.66

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Solution

The fourth proportional to 70,587.57, 97,383.06 and 40,356.66 is: 55,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.57 : 97,383.06 = 40,356.66 : x
  2. Step 2: Convert to fraction form
    70,587.57/97,383.06 = 40,356.66/x
  3. Step 3: Cross multiply
    70,587.57x = 97,383.06 × 40,356.66
  4. Step 4: Simplify right side
    70,587.57x = 3,930,055,042.18
  5. Step 5: Solve for x
    x = 3,930,055,042.18/70,587.57
  6. Step 6: Final answer
    x = 55,676.30

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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.