Home / 93,198.38-128,615.19-50,756.91

Finding the Fourth Proportional to 93,198.38, 128,615.19 and 50,756.91

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Solution

The fourth proportional to 93,198.38, 128,615.19 and 50,756.91 is: 70,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.38 : 128,615.19 = 50,756.91 : x
  2. Step 2: Convert to fraction form
    93,198.38/128,615.19 = 50,756.91/x
  3. Step 3: Cross multiply
    93,198.38x = 128,615.19 × 50,756.91
  4. Step 4: Simplify right side
    93,198.38x = 6,528,109,623.46
  5. Step 5: Solve for x
    x = 6,528,109,623.46/93,198.38
  6. Step 6: Final answer
    x = 70,045.32

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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.