Home / 93,130.32-128,519.82-50,689.17

Finding the Fourth Proportional to 93,130.32, 128,519.82 and 50,689.17

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Solution

The fourth proportional to 93,130.32, 128,519.82 and 50,689.17 is: 69,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,130.32 : 128,519.82 = 50,689.17 : x
  2. Step 2: Convert to fraction form
    93,130.32/128,519.82 = 50,689.17/x
  3. Step 3: Cross multiply
    93,130.32x = 128,519.82 × 50,689.17
  4. Step 4: Simplify right side
    93,130.32x = 6,514,563,004.35
  5. Step 5: Solve for x
    x = 6,514,563,004.35/93,130.32
  6. Step 6: Final answer
    x = 69,951.04

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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.