Home / 88,205.10-121,733.52-52,395.30

Finding the Fourth Proportional to 88,205.10, 121,733.52 and 52,395.30

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Solution

The fourth proportional to 88,205.10, 121,733.52 and 52,395.30 is: 72,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.10 : 121,733.52 = 52,395.30 : x
  2. Step 2: Convert to fraction form
    88,205.10/121,733.52 = 52,395.30/x
  3. Step 3: Cross multiply
    88,205.10x = 121,733.52 × 52,395.30
  4. Step 4: Simplify right side
    88,205.10x = 6,378,264,300.46
  5. Step 5: Solve for x
    x = 6,378,264,300.46/88,205.10
  6. Step 6: Final answer
    x = 72,311.74

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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.