Home / 86,946.48-119,976.30-48,700.80

Finding the Fourth Proportional to 86,946.48, 119,976.30 and 48,700.80

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Solution

The fourth proportional to 86,946.48, 119,976.30 and 48,700.80 is: 67,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.48 : 119,976.30 = 48,700.80 : x
  2. Step 2: Convert to fraction form
    86,946.48/119,976.30 = 48,700.80/x
  3. Step 3: Cross multiply
    86,946.48x = 119,976.30 × 48,700.80
  4. Step 4: Simplify right side
    86,946.48x = 5,842,941,791.04
  5. Step 5: Solve for x
    x = 5,842,941,791.04/86,946.48
  6. Step 6: Final answer
    x = 67,201.59

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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.