Home / 91,660.07-137,525.04-47,258.51

Finding the Fourth Proportional to 91,660.07, 137,525.04 and 47,258.51

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Solution

The fourth proportional to 91,660.07, 137,525.04 and 47,258.51 is: 70,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.07 : 137,525.04 = 47,258.51 : x
  2. Step 2: Convert to fraction form
    91,660.07/137,525.04 = 47,258.51/x
  3. Step 3: Cross multiply
    91,660.07x = 137,525.04 × 47,258.51
  4. Step 4: Simplify right side
    91,660.07x = 6,499,227,790.47
  5. Step 5: Solve for x
    x = 6,499,227,790.47/91,660.07
  6. Step 6: Final answer
    x = 70,905.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.