Home / 93,279.04-128,721.28-50,836.64

Finding the Fourth Proportional to 93,279.04, 128,721.28 and 50,836.64

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Solution

The fourth proportional to 93,279.04, 128,721.28 and 50,836.64 is: 70,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.04 : 128,721.28 = 50,836.64 : x
  2. Step 2: Convert to fraction form
    93,279.04/128,721.28 = 50,836.64/x
  3. Step 3: Cross multiply
    93,279.04x = 128,721.28 × 50,836.64
  4. Step 4: Simplify right side
    93,279.04x = 6,543,757,371.70
  5. Step 5: Solve for x
    x = 6,543,757,371.70/93,279.04
  6. Step 6: Final answer
    x = 70,152.49

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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.