Home / 67,486.13-93,130.86-39,193.64

Finding the Fourth Proportional to 67,486.13, 93,130.86 and 39,193.64

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Solution

The fourth proportional to 67,486.13, 93,130.86 and 39,193.64 is: 54,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.13 : 93,130.86 = 39,193.64 : x
  2. Step 2: Convert to fraction form
    67,486.13/93,130.86 = 39,193.64/x
  3. Step 3: Cross multiply
    67,486.13x = 93,130.86 × 39,193.64
  4. Step 4: Simplify right side
    67,486.13x = 3,650,136,934.08
  5. Step 5: Solve for x
    x = 3,650,136,934.08/67,486.13
  6. Step 6: Final answer
    x = 54,087.22

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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.