Home / 64,746.28-89,400.54-50,639.32

Finding the Fourth Proportional to 64,746.28, 89,400.54 and 50,639.32

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Solution

The fourth proportional to 64,746.28, 89,400.54 and 50,639.32 is: 69,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.28 : 89,400.54 = 50,639.32 : x
  2. Step 2: Convert to fraction form
    64,746.28/89,400.54 = 50,639.32/x
  3. Step 3: Cross multiply
    64,746.28x = 89,400.54 × 50,639.32
  4. Step 4: Simplify right side
    64,746.28x = 4,527,182,553.23
  5. Step 5: Solve for x
    x = 4,527,182,553.23/64,746.28
  6. Step 6: Final answer
    x = 69,921.89

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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.