Home / 86,502.12-119,384.38-50,706.20

Finding the Fourth Proportional to 86,502.12, 119,384.38 and 50,706.20

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Solution

The fourth proportional to 86,502.12, 119,384.38 and 50,706.20 is: 69,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.12 : 119,384.38 = 50,706.20 : x
  2. Step 2: Convert to fraction form
    86,502.12/119,384.38 = 50,706.20/x
  3. Step 3: Cross multiply
    86,502.12x = 119,384.38 × 50,706.20
  4. Step 4: Simplify right side
    86,502.12x = 6,053,528,249.16
  5. Step 5: Solve for x
    x = 6,053,528,249.16/86,502.12
  6. Step 6: Final answer
    x = 69,981.27

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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.