Home / 81,020.02-111,831.09-47,036.14

Finding the Fourth Proportional to 81,020.02, 111,831.09 and 47,036.14

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Solution

The fourth proportional to 81,020.02, 111,831.09 and 47,036.14 is: 64,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,020.02 : 111,831.09 = 47,036.14 : x
  2. Step 2: Convert to fraction form
    81,020.02/111,831.09 = 47,036.14/x
  3. Step 3: Cross multiply
    81,020.02x = 111,831.09 × 47,036.14
  4. Step 4: Simplify right side
    81,020.02x = 5,260,102,805.59
  5. Step 5: Solve for x
    x = 5,260,102,805.59/81,020.02
  6. Step 6: Final answer
    x = 64,923.49

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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.