Home / 64,561.08-89,078.64-37,688.22

Finding the Fourth Proportional to 64,561.08, 89,078.64 and 37,688.22

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Solution

The fourth proportional to 64,561.08, 89,078.64 and 37,688.22 is: 52,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,561.08 : 89,078.64 = 37,688.22 : x
  2. Step 2: Convert to fraction form
    64,561.08/89,078.64 = 37,688.22/x
  3. Step 3: Cross multiply
    64,561.08x = 89,078.64 × 37,688.22
  4. Step 4: Simplify right side
    64,561.08x = 3,357,215,381.62
  5. Step 5: Solve for x
    x = 3,357,215,381.62/64,561.08
  6. Step 6: Final answer
    x = 52,000.61

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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.