Home / 74,700.20-111,831.60-49,768.40

Finding the Fourth Proportional to 74,700.20, 111,831.60 and 49,768.40

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Solution

The fourth proportional to 74,700.20, 111,831.60 and 49,768.40 is: 74,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,700.20 : 111,831.60 = 49,768.40 : x
  2. Step 2: Convert to fraction form
    74,700.20/111,831.60 = 49,768.40/x
  3. Step 3: Cross multiply
    74,700.20x = 111,831.60 × 49,768.40
  4. Step 4: Simplify right side
    74,700.20x = 5,565,679,801.44
  5. Step 5: Solve for x
    x = 5,565,679,801.44/74,700.20
  6. Step 6: Final answer
    x = 74,506.89

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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.