Home / 93,170.25-128,574.41-52,891.65

Finding the Fourth Proportional to 93,170.25, 128,574.41 and 52,891.65

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Solution

The fourth proportional to 93,170.25, 128,574.41 and 52,891.65 is: 72,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,170.25 : 128,574.41 = 52,891.65 : x
  2. Step 2: Convert to fraction form
    93,170.25/128,574.41 = 52,891.65/x
  3. Step 3: Cross multiply
    93,170.25x = 128,574.41 × 52,891.65
  4. Step 4: Simplify right side
    93,170.25x = 6,800,512,428.22
  5. Step 5: Solve for x
    x = 6,800,512,428.22/93,170.25
  6. Step 6: Final answer
    x = 72,990.17

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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.