Home / 70,790.30-97,688.64-40,168.97

Finding the Fourth Proportional to 70,790.30, 97,688.64 and 40,168.97

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Solution

The fourth proportional to 70,790.30, 97,688.64 and 40,168.97 is: 55,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.30 : 97,688.64 = 40,168.97 : x
  2. Step 2: Convert to fraction form
    70,790.30/97,688.64 = 40,168.97/x
  3. Step 3: Cross multiply
    70,790.30x = 97,688.64 × 40,168.97
  4. Step 4: Simplify right side
    70,790.30x = 3,924,051,561.06
  5. Step 5: Solve for x
    x = 3,924,051,561.06/70,790.30
  6. Step 6: Final answer
    x = 55,432.06

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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.