Home / 96,678.68-133,409.76-53,660.36

Finding the Fourth Proportional to 96,678.68, 133,409.76 and 53,660.36

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Solution

The fourth proportional to 96,678.68, 133,409.76 and 53,660.36 is: 74,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,678.68 : 133,409.76 = 53,660.36 : x
  2. Step 2: Convert to fraction form
    96,678.68/133,409.76 = 53,660.36/x
  3. Step 3: Cross multiply
    96,678.68x = 133,409.76 × 53,660.36
  4. Step 4: Simplify right side
    96,678.68x = 7,158,815,749.11
  5. Step 5: Solve for x
    x = 7,158,815,749.11/96,678.68
  6. Step 6: Final answer
    x = 74,047.51

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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.