Home / 88,320.34-121,880.88-48,033.24

Finding the Fourth Proportional to 88,320.34, 121,880.88 and 48,033.24

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Solution

The fourth proportional to 88,320.34, 121,880.88 and 48,033.24 is: 66,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,320.34 : 121,880.88 = 48,033.24 : x
  2. Step 2: Convert to fraction form
    88,320.34/121,880.88 = 48,033.24/x
  3. Step 3: Cross multiply
    88,320.34x = 121,880.88 × 48,033.24
  4. Step 4: Simplify right side
    88,320.34x = 5,854,333,103.40
  5. Step 5: Solve for x
    x = 5,854,333,103.40/88,320.34
  6. Step 6: Final answer
    x = 66,285.22

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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.