Home / 74,323.60-111,485.40-49,397.20

Finding the Fourth Proportional to 74,323.60, 111,485.40 and 49,397.20

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Solution

The fourth proportional to 74,323.60, 111,485.40 and 49,397.20 is: 74,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,323.60 : 111,485.40 = 49,397.20 : x
  2. Step 2: Convert to fraction form
    74,323.60/111,485.40 = 49,397.20/x
  3. Step 3: Cross multiply
    74,323.60x = 111,485.40 × 49,397.20
  4. Step 4: Simplify right side
    74,323.60x = 5,507,066,600.88
  5. Step 5: Solve for x
    x = 5,507,066,600.88/74,323.60
  6. Step 6: Final answer
    x = 74,095.80

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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.