Home / 92,880.57-128,214.42-62,706.76

Finding the Fourth Proportional to 92,880.57, 128,214.42 and 62,706.76

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Solution

The fourth proportional to 92,880.57, 128,214.42 and 62,706.76 is: 86,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.57 : 128,214.42 = 62,706.76 : x
  2. Step 2: Convert to fraction form
    92,880.57/128,214.42 = 62,706.76/x
  3. Step 3: Cross multiply
    92,880.57x = 128,214.42 × 62,706.76
  4. Step 4: Simplify right side
    92,880.57x = 8,039,910,863.48
  5. Step 5: Solve for x
    x = 8,039,910,863.48/92,880.57
  6. Step 6: Final answer
    x = 86,561.82

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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.