Home / 50,777.16-70,071.40-28,114.86

Finding the Fourth Proportional to 50,777.16, 70,071.40 and 28,114.86

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Solution

The fourth proportional to 50,777.16, 70,071.40 and 28,114.86 is: 38,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,777.16 : 70,071.40 = 28,114.86 : x
  2. Step 2: Convert to fraction form
    50,777.16/70,071.40 = 28,114.86/x
  3. Step 3: Cross multiply
    50,777.16x = 70,071.40 × 28,114.86
  4. Step 4: Simplify right side
    50,777.16x = 1,970,047,601.00
  5. Step 5: Solve for x
    x = 1,970,047,601.00/50,777.16
  6. Step 6: Final answer
    x = 38,797.91

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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.