Home / 96,646.80-133,422.66-75,088.20

Finding the Fourth Proportional to 96,646.80, 133,422.66 and 75,088.20

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Solution

The fourth proportional to 96,646.80, 133,422.66 and 75,088.20 is: 103,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,646.80 : 133,422.66 = 75,088.20 : x
  2. Step 2: Convert to fraction form
    96,646.80/133,422.66 = 75,088.20/x
  3. Step 3: Cross multiply
    96,646.80x = 133,422.66 × 75,088.20
  4. Step 4: Simplify right side
    96,646.80x = 10,018,467,378.61
  5. Step 5: Solve for x
    x = 10,018,467,378.61/96,646.80
  6. Step 6: Final answer
    x = 103,660.62

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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.