Home / 70,389.28-97,100.38-43,523.20

Finding the Fourth Proportional to 70,389.28, 97,100.38 and 43,523.20

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Solution

The fourth proportional to 70,389.28, 97,100.38 and 43,523.20 is: 60,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389.28 : 97,100.38 = 43,523.20 : x
  2. Step 2: Convert to fraction form
    70,389.28/97,100.38 = 43,523.20/x
  3. Step 3: Cross multiply
    70,389.28x = 97,100.38 × 43,523.20
  4. Step 4: Simplify right side
    70,389.28x = 4,226,119,258.82
  5. Step 5: Solve for x
    x = 4,226,119,258.82/70,389.28
  6. Step 6: Final answer
    x = 60,039.25

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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.