Home / 74,207.04-111,323.52-40,912.80

Finding the Fourth Proportional to 74,207.04, 111,323.52 and 40,912.80

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Solution

The fourth proportional to 74,207.04, 111,323.52 and 40,912.80 is: 61,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.04 : 111,323.52 = 40,912.80 : x
  2. Step 2: Convert to fraction form
    74,207.04/111,323.52 = 40,912.80/x
  3. Step 3: Cross multiply
    74,207.04x = 111,323.52 × 40,912.80
  4. Step 4: Simplify right side
    74,207.04x = 4,554,556,909.06
  5. Step 5: Solve for x
    x = 4,554,556,909.06/74,207.04
  6. Step 6: Final answer
    x = 61,376.35

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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.