Home / 68,623.60-94,678.98-38,404.12

Finding the Fourth Proportional to 68,623.60, 94,678.98 and 38,404.12

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Solution

The fourth proportional to 68,623.60, 94,678.98 and 38,404.12 is: 52,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.60 : 94,678.98 = 38,404.12 : x
  2. Step 2: Convert to fraction form
    68,623.60/94,678.98 = 38,404.12/x
  3. Step 3: Cross multiply
    68,623.60x = 94,678.98 × 38,404.12
  4. Step 4: Simplify right side
    68,623.60x = 3,636,062,909.40
  5. Step 5: Solve for x
    x = 3,636,062,909.40/68,623.60
  6. Step 6: Final answer
    x = 52,985.60

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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.