Home / 68,000.36-93,838.64-37,784.91

Finding the Fourth Proportional to 68,000.36, 93,838.64 and 37,784.91

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Solution

The fourth proportional to 68,000.36, 93,838.64 and 37,784.91 is: 52,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.36 : 93,838.64 = 37,784.91 : x
  2. Step 2: Convert to fraction form
    68,000.36/93,838.64 = 37,784.91/x
  3. Step 3: Cross multiply
    68,000.36x = 93,838.64 × 37,784.91
  4. Step 4: Simplify right side
    68,000.36x = 3,545,684,378.00
  5. Step 5: Solve for x
    x = 3,545,684,378.00/68,000.36
  6. Step 6: Final answer
    x = 52,142.14

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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.