Home / 64,911.08-89,581.48-36,616.16

Finding the Fourth Proportional to 64,911.08, 89,581.48 and 36,616.16

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Solution

The fourth proportional to 64,911.08, 89,581.48 and 36,616.16 is: 50,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911.08 : 89,581.48 = 36,616.16 : x
  2. Step 2: Convert to fraction form
    64,911.08/89,581.48 = 36,616.16/x
  3. Step 3: Cross multiply
    64,911.08x = 89,581.48 × 36,616.16
  4. Step 4: Simplify right side
    64,911.08x = 3,280,129,804.72
  5. Step 5: Solve for x
    x = 3,280,129,804.72/64,911.08
  6. Step 6: Final answer
    x = 50,532.66

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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.