Home / 93,210.39-128,589.41-62,984.70

Finding the Fourth Proportional to 93,210.39, 128,589.41 and 62,984.70

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Solution

The fourth proportional to 93,210.39, 128,589.41 and 62,984.70 is: 86,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.39 : 128,589.41 = 62,984.70 : x
  2. Step 2: Convert to fraction form
    93,210.39/128,589.41 = 62,984.70/x
  3. Step 3: Cross multiply
    93,210.39x = 128,589.41 × 62,984.70
  4. Step 4: Simplify right side
    93,210.39x = 8,099,165,569.49
  5. Step 5: Solve for x
    x = 8,099,165,569.49/93,210.39
  6. Step 6: Final answer
    x = 86,891.23

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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.