Home / 70,370.58-97,122.74-40,157.18

Finding the Fourth Proportional to 70,370.58, 97,122.74 and 40,157.18

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Solution

The fourth proportional to 70,370.58, 97,122.74 and 40,157.18 is: 55,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.58 : 97,122.74 = 40,157.18 : x
  2. Step 2: Convert to fraction form
    70,370.58/97,122.74 = 40,157.18/x
  3. Step 3: Cross multiply
    70,370.58x = 97,122.74 × 40,157.18
  4. Step 4: Simplify right side
    70,370.58x = 3,900,174,665.87
  5. Step 5: Solve for x
    x = 3,900,174,665.87/70,370.58
  6. Step 6: Final answer
    x = 55,423.37

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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.