Home / 64,328.14-88,772.86-39,177.64

Finding the Fourth Proportional to 64,328.14, 88,772.86 and 39,177.64

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Solution

The fourth proportional to 64,328.14, 88,772.86 and 39,177.64 is: 54,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.14 : 88,772.86 = 39,177.64 : x
  2. Step 2: Convert to fraction form
    64,328.14/88,772.86 = 39,177.64/x
  3. Step 3: Cross multiply
    64,328.14x = 88,772.86 × 39,177.64
  4. Step 4: Simplify right side
    64,328.14x = 3,477,911,310.79
  5. Step 5: Solve for x
    x = 3,477,911,310.79/64,328.14
  6. Step 6: Final answer
    x = 54,065.16

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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.