Home / 67,403.80-93,012.24-39,104.02

Finding the Fourth Proportional to 67,403.80, 93,012.24 and 39,104.02

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Solution

The fourth proportional to 67,403.80, 93,012.24 and 39,104.02 is: 53,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.80 : 93,012.24 = 39,104.02 : x
  2. Step 2: Convert to fraction form
    67,403.80/93,012.24 = 39,104.02/x
  3. Step 3: Cross multiply
    67,403.80x = 93,012.24 × 39,104.02
  4. Step 4: Simplify right side
    67,403.80x = 3,637,152,493.20
  5. Step 5: Solve for x
    x = 3,637,152,493.20/67,403.80
  6. Step 6: Final answer
    x = 53,960.64

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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.