Home / 64,567.64-89,110.20-39,087.92

Finding the Fourth Proportional to 64,567.64, 89,110.20 and 39,087.92

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Solution

The fourth proportional to 64,567.64, 89,110.20 and 39,087.92 is: 53,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,567.64 : 89,110.20 = 39,087.92 : x
  2. Step 2: Convert to fraction form
    64,567.64/89,110.20 = 39,087.92/x
  3. Step 3: Cross multiply
    64,567.64x = 89,110.20 × 39,087.92
  4. Step 4: Simplify right side
    64,567.64x = 3,483,132,368.78
  5. Step 5: Solve for x
    x = 3,483,132,368.78/64,567.64
  6. Step 6: Final answer
    x = 53,945.48

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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.