Home / 58,121.58-80,187.15-37,990.08

Finding the Fourth Proportional to 58,121.58, 80,187.15 and 37,990.08

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Solution

The fourth proportional to 58,121.58, 80,187.15 and 37,990.08 is: 52,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121.58 : 80,187.15 = 37,990.08 : x
  2. Step 2: Convert to fraction form
    58,121.58/80,187.15 = 37,990.08/x
  3. Step 3: Cross multiply
    58,121.58x = 80,187.15 × 37,990.08
  4. Step 4: Simplify right side
    58,121.58x = 3,046,316,243.47
  5. Step 5: Solve for x
    x = 3,046,316,243.47/58,121.58
  6. Step 6: Final answer
    x = 52,412.83

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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.