Home / 67,603.40-93,278.10-39,294.60

Finding the Fourth Proportional to 67,603.40, 93,278.10 and 39,294.60

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Solution

The fourth proportional to 67,603.40, 93,278.10 and 39,294.60 is: 54,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.40 : 93,278.10 = 39,294.60 : x
  2. Step 2: Convert to fraction form
    67,603.40/93,278.10 = 39,294.60/x
  3. Step 3: Cross multiply
    67,603.40x = 93,278.10 × 39,294.60
  4. Step 4: Simplify right side
    67,603.40x = 3,665,325,628.26
  5. Step 5: Solve for x
    x = 3,665,325,628.26/67,603.40
  6. Step 6: Final answer
    x = 54,218.07

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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.