Home / 53,831.52-74,176.56-53,105.76

Finding the Fourth Proportional to 53,831.52, 74,176.56 and 53,105.76

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Solution

The fourth proportional to 53,831.52, 74,176.56 and 53,105.76 is: 73,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.52 : 74,176.56 = 53,105.76 : x
  2. Step 2: Convert to fraction form
    53,831.52/74,176.56 = 53,105.76/x
  3. Step 3: Cross multiply
    53,831.52x = 74,176.56 × 53,105.76
  4. Step 4: Simplify right side
    53,831.52x = 3,939,202,592.99
  5. Step 5: Solve for x
    x = 3,939,202,592.99/53,831.52
  6. Step 6: Final answer
    x = 73,176.51

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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.