Home / 118,501.24-163,534.80-64,788.52

Finding the Fourth Proportional to 118,501.24, 163,534.80 and 64,788.52

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Solution

The fourth proportional to 118,501.24, 163,534.80 and 64,788.52 is: 89,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,501.24 : 163,534.80 = 64,788.52 : x
  2. Step 2: Convert to fraction form
    118,501.24/163,534.80 = 64,788.52/x
  3. Step 3: Cross multiply
    118,501.24x = 163,534.80 × 64,788.52
  4. Step 4: Simplify right side
    118,501.24x = 10,595,177,660.50
  5. Step 5: Solve for x
    x = 10,595,177,660.50/118,501.24
  6. Step 6: Final answer
    x = 89,409.85

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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.