Home / 88,033.13-121,485.78-47,746.88

Finding the Fourth Proportional to 88,033.13, 121,485.78 and 47,746.88

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Solution

The fourth proportional to 88,033.13, 121,485.78 and 47,746.88 is: 65,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,033.13 : 121,485.78 = 47,746.88 : x
  2. Step 2: Convert to fraction form
    88,033.13/121,485.78 = 47,746.88/x
  3. Step 3: Cross multiply
    88,033.13x = 121,485.78 × 47,746.88
  4. Step 4: Simplify right side
    88,033.13x = 5,800,567,263.08
  5. Step 5: Solve for x
    x = 5,800,567,263.08/88,033.13
  6. Step 6: Final answer
    x = 65,890.73

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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.