Home / 92,963.19-128,285.04-52,674.60

Finding the Fourth Proportional to 92,963.19, 128,285.04 and 52,674.60

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Solution

The fourth proportional to 92,963.19, 128,285.04 and 52,674.60 is: 72,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.19 : 128,285.04 = 52,674.60 : x
  2. Step 2: Convert to fraction form
    92,963.19/128,285.04 = 52,674.60/x
  3. Step 3: Cross multiply
    92,963.19x = 128,285.04 × 52,674.60
  4. Step 4: Simplify right side
    92,963.19x = 6,757,363,167.98
  5. Step 5: Solve for x
    x = 6,757,363,167.98/92,963.19
  6. Step 6: Final answer
    x = 72,688.59

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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.