Home / 67,507.07-93,128.73-39,207.29

Finding the Fourth Proportional to 67,507.07, 93,128.73 and 39,207.29

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Solution

The fourth proportional to 67,507.07, 93,128.73 and 39,207.29 is: 54,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,507.07 : 93,128.73 = 39,207.29 : x
  2. Step 2: Convert to fraction form
    67,507.07/93,128.73 = 39,207.29/x
  3. Step 3: Cross multiply
    67,507.07x = 93,128.73 × 39,207.29
  4. Step 4: Simplify right side
    67,507.07x = 3,651,325,124.44
  5. Step 5: Solve for x
    x = 3,651,325,124.44/67,507.07
  6. Step 6: Final answer
    x = 54,088.04

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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.