Home / 52,803.24-72,870.48-30,145.92

Finding the Fourth Proportional to 52,803.24, 72,870.48 and 30,145.92

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Solution

The fourth proportional to 52,803.24, 72,870.48 and 30,145.92 is: 41,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.24 : 72,870.48 = 30,145.92 : x
  2. Step 2: Convert to fraction form
    52,803.24/72,870.48 = 30,145.92/x
  3. Step 3: Cross multiply
    52,803.24x = 72,870.48 × 30,145.92
  4. Step 4: Simplify right side
    52,803.24x = 2,196,747,660.44
  5. Step 5: Solve for x
    x = 2,196,747,660.44/52,803.24
  6. Step 6: Final answer
    x = 41,602.52

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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.