Home / 93,159.32-128,560.37-50,718.96

Finding the Fourth Proportional to 93,159.32, 128,560.37 and 50,718.96

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Solution

The fourth proportional to 93,159.32, 128,560.37 and 50,718.96 is: 69,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,159.32 : 128,560.37 = 50,718.96 : x
  2. Step 2: Convert to fraction form
    93,159.32/128,560.37 = 50,718.96/x
  3. Step 3: Cross multiply
    93,159.32x = 128,560.37 × 50,718.96
  4. Step 4: Simplify right side
    93,159.32x = 6,520,448,010.02
  5. Step 5: Solve for x
    x = 6,520,448,010.02/93,159.32
  6. Step 6: Final answer
    x = 69,992.44

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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.