Home / 58,646.54-80,960.10-39,298.80

Finding the Fourth Proportional to 58,646.54, 80,960.10 and 39,298.80

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Solution

The fourth proportional to 58,646.54, 80,960.10 and 39,298.80 is: 54,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.54 : 80,960.10 = 39,298.80 : x
  2. Step 2: Convert to fraction form
    58,646.54/80,960.10 = 39,298.80/x
  3. Step 3: Cross multiply
    58,646.54x = 80,960.10 × 39,298.80
  4. Step 4: Simplify right side
    58,646.54x = 3,181,634,777.88
  5. Step 5: Solve for x
    x = 3,181,634,777.88/58,646.54
  6. Step 6: Final answer
    x = 54,251.02

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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.