Home / 86,834.13-119,831.09-47,090.13

Finding the Fourth Proportional to 86,834.13, 119,831.09 and 47,090.13

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Solution

The fourth proportional to 86,834.13, 119,831.09 and 47,090.13 is: 64,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,834.13 : 119,831.09 = 47,090.13 : x
  2. Step 2: Convert to fraction form
    86,834.13/119,831.09 = 47,090.13/x
  3. Step 3: Cross multiply
    86,834.13x = 119,831.09 × 47,090.13
  4. Step 4: Simplify right side
    86,834.13x = 5,642,861,606.14
  5. Step 5: Solve for x
    x = 5,642,861,606.14/86,834.13
  6. Step 6: Final answer
    x = 64,984.37

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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.