Home / 74,438.20-111,506.10-46,271.80

Finding the Fourth Proportional to 74,438.20, 111,506.10 and 46,271.80

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Solution

The fourth proportional to 74,438.20, 111,506.10 and 46,271.80 is: 69,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,438.20 : 111,506.10 = 46,271.80 : x
  2. Step 2: Convert to fraction form
    74,438.20/111,506.10 = 46,271.80/x
  3. Step 3: Cross multiply
    74,438.20x = 111,506.10 × 46,271.80
  4. Step 4: Simplify right side
    74,438.20x = 5,159,587,957.98
  5. Step 5: Solve for x
    x = 5,159,587,957.98/74,438.20
  6. Step 6: Final answer
    x = 69,313.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.