Home / 70,367.10-97,082.49-40,130.58

Finding the Fourth Proportional to 70,367.10, 97,082.49 and 40,130.58

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Solution

The fourth proportional to 70,367.10, 97,082.49 and 40,130.58 is: 55,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.10 : 97,082.49 = 40,130.58 : x
  2. Step 2: Convert to fraction form
    70,367.10/97,082.49 = 40,130.58/x
  3. Step 3: Cross multiply
    70,367.10x = 97,082.49 × 40,130.58
  4. Step 4: Simplify right side
    70,367.10x = 3,895,976,631.54
  5. Step 5: Solve for x
    x = 3,895,976,631.54/70,367.10
  6. Step 6: Final answer
    x = 55,366.45

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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.