Home / 64,838.16-89,477.76-36,544.32

Finding the Fourth Proportional to 64,838.16, 89,477.76 and 36,544.32

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Solution

The fourth proportional to 64,838.16, 89,477.76 and 36,544.32 is: 50,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,838.16 : 89,477.76 = 36,544.32 : x
  2. Step 2: Convert to fraction form
    64,838.16/89,477.76 = 36,544.32/x
  3. Step 3: Cross multiply
    64,838.16x = 89,477.76 × 36,544.32
  4. Step 4: Simplify right side
    64,838.16x = 3,269,903,894.32
  5. Step 5: Solve for x
    x = 3,269,903,894.32/64,838.16
  6. Step 6: Final answer
    x = 50,431.78

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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.