Home / 52,392.47-72,303.23-28,520.73

Finding the Fourth Proportional to 52,392.47, 72,303.23 and 28,520.73

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Solution

The fourth proportional to 52,392.47, 72,303.23 and 28,520.73 is: 39,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,392.47 : 72,303.23 = 28,520.73 : x
  2. Step 2: Convert to fraction form
    52,392.47/72,303.23 = 28,520.73/x
  3. Step 3: Cross multiply
    52,392.47x = 72,303.23 × 28,520.73
  4. Step 4: Simplify right side
    52,392.47x = 2,062,140,900.96
  5. Step 5: Solve for x
    x = 2,062,140,900.96/52,392.47
  6. Step 6: Final answer
    x = 39,359.49

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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.