Home / 58,162.68-80,305.04-39,071.52

Finding the Fourth Proportional to 58,162.68, 80,305.04 and 39,071.52

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Solution

The fourth proportional to 58,162.68, 80,305.04 and 39,071.52 is: 53,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,162.68 : 80,305.04 = 39,071.52 : x
  2. Step 2: Convert to fraction form
    58,162.68/80,305.04 = 39,071.52/x
  3. Step 3: Cross multiply
    58,162.68x = 80,305.04 × 39,071.52
  4. Step 4: Simplify right side
    58,162.68x = 3,137,639,976.46
  5. Step 5: Solve for x
    x = 3,137,639,976.46/58,162.68
  6. Step 6: Final answer
    x = 53,945.93

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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.