Home / 50,707.52-75,695.44-42,843.20

Finding the Fourth Proportional to 50,707.52, 75,695.44 and 42,843.20

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Solution

The fourth proportional to 50,707.52, 75,695.44 and 42,843.20 is: 63,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.52 : 75,695.44 = 42,843.20 : x
  2. Step 2: Convert to fraction form
    50,707.52/75,695.44 = 42,843.20/x
  3. Step 3: Cross multiply
    50,707.52x = 75,695.44 × 42,843.20
  4. Step 4: Simplify right side
    50,707.52x = 3,243,034,875.01
  5. Step 5: Solve for x
    x = 3,243,034,875.01/50,707.52
  6. Step 6: Final answer
    x = 63,955.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.