Home / 93,009.24-128,358-50,566.86

Finding the Fourth Proportional to 93,009.24, 128,358 and 50,566.86

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Solution

The fourth proportional to 93,009.24, 128,358 and 50,566.86 is: 69,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009.24 : 128,358 = 50,566.86 : x
  2. Step 2: Convert to fraction form
    93,009.24/128,358 = 50,566.86/x
  3. Step 3: Cross multiply
    93,009.24x = 128,358 × 50,566.86
  4. Step 4: Simplify right side
    93,009.24x = 6,490,661,015.88
  5. Step 5: Solve for x
    x = 6,490,661,015.88/93,009.24
  6. Step 6: Final answer
    x = 69,785.12

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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.