Home / 93,139.32-128,532.27-50,698.14

Finding the Fourth Proportional to 93,139.32, 128,532.27 and 50,698.14

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Solution

The fourth proportional to 93,139.32, 128,532.27 and 50,698.14 is: 69,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,139.32 : 128,532.27 = 50,698.14 : x
  2. Step 2: Convert to fraction form
    93,139.32/128,532.27 = 50,698.14/x
  3. Step 3: Cross multiply
    93,139.32x = 128,532.27 × 50,698.14
  4. Step 4: Simplify right side
    93,139.32x = 6,516,347,018.98
  5. Step 5: Solve for x
    x = 6,516,347,018.98/93,139.32
  6. Step 6: Final answer
    x = 69,963.44

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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.