Home / 96,661.28-133,089.42-87,803.93

Finding the Fourth Proportional to 96,661.28, 133,089.42 and 87,803.93

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Solution

The fourth proportional to 96,661.28, 133,089.42 and 87,803.93 is: 120,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.28 : 133,089.42 = 87,803.93 : x
  2. Step 2: Convert to fraction form
    96,661.28/133,089.42 = 87,803.93/x
  3. Step 3: Cross multiply
    96,661.28x = 133,089.42 × 87,803.93
  4. Step 4: Simplify right side
    96,661.28x = 11,685,774,117.42
  5. Step 5: Solve for x
    x = 11,685,774,117.42/96,661.28
  6. Step 6: Final answer
    x = 120,894.06

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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.