Home / 86,730.04-119,685.90-49,003.48

Finding the Fourth Proportional to 86,730.04, 119,685.90 and 49,003.48

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Solution

The fourth proportional to 86,730.04, 119,685.90 and 49,003.48 is: 67,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730.04 : 119,685.90 = 49,003.48 : x
  2. Step 2: Convert to fraction form
    86,730.04/119,685.90 = 49,003.48/x
  3. Step 3: Cross multiply
    86,730.04x = 119,685.90 × 49,003.48
  4. Step 4: Simplify right side
    86,730.04x = 5,865,025,606.93
  5. Step 5: Solve for x
    x = 5,865,025,606.93/86,730.04
  6. Step 6: Final answer
    x = 67,623.92

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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.