Home / 53,331.95-79,940.52-28,346.83

Finding the Fourth Proportional to 53,331.95, 79,940.52 and 28,346.83

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Solution

The fourth proportional to 53,331.95, 79,940.52 and 28,346.83 is: 42,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.95 : 79,940.52 = 28,346.83 : x
  2. Step 2: Convert to fraction form
    53,331.95/79,940.52 = 28,346.83/x
  3. Step 3: Cross multiply
    53,331.95x = 79,940.52 × 28,346.83
  4. Step 4: Simplify right side
    53,331.95x = 2,266,060,130.70
  5. Step 5: Solve for x
    x = 2,266,060,130.70/53,331.95
  6. Step 6: Final answer
    x = 42,489.73

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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.