Home / 92,880.35-128,178.05-52,046.20

Finding the Fourth Proportional to 92,880.35, 128,178.05 and 52,046.20

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Solution

The fourth proportional to 92,880.35, 128,178.05 and 52,046.20 is: 71,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.35 : 128,178.05 = 52,046.20 : x
  2. Step 2: Convert to fraction form
    92,880.35/128,178.05 = 52,046.20/x
  3. Step 3: Cross multiply
    92,880.35x = 128,178.05 × 52,046.20
  4. Step 4: Simplify right side
    92,880.35x = 6,671,179,751.28
  5. Step 5: Solve for x
    x = 6,671,179,751.28/92,880.35
  6. Step 6: Final answer
    x = 71,825.53

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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.