Home / 68,000.45-93,838.75-37,784.99

Finding the Fourth Proportional to 68,000.45, 93,838.75 and 37,784.99

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Solution

The fourth proportional to 68,000.45, 93,838.75 and 37,784.99 is: 52,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.45 : 93,838.75 = 37,784.99 : x
  2. Step 2: Convert to fraction form
    68,000.45/93,838.75 = 37,784.99/x
  3. Step 3: Cross multiply
    68,000.45x = 93,838.75 × 37,784.99
  4. Step 4: Simplify right side
    68,000.45x = 3,545,696,370.50
  5. Step 5: Solve for x
    x = 3,545,696,370.50/68,000.45
  6. Step 6: Final answer
    x = 52,142.25

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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.