Home / 96,931.47-133,763.09-53,910.83

Finding the Fourth Proportional to 96,931.47, 133,763.09 and 53,910.83

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Solution

The fourth proportional to 96,931.47, 133,763.09 and 53,910.83 is: 74,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,931.47 : 133,763.09 = 53,910.83 : x
  2. Step 2: Convert to fraction form
    96,931.47/133,763.09 = 53,910.83/x
  3. Step 3: Cross multiply
    96,931.47x = 133,763.09 × 53,910.83
  4. Step 4: Simplify right side
    96,931.47x = 7,211,279,522.32
  5. Step 5: Solve for x
    x = 7,211,279,522.32/96,931.47
  6. Step 6: Final answer
    x = 74,395.65

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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.