Home / 68,125.52-94,009.37-37,909.40

Finding the Fourth Proportional to 68,125.52, 94,009.37 and 37,909.40

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Solution

The fourth proportional to 68,125.52, 94,009.37 and 37,909.40 is: 52,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125.52 : 94,009.37 = 37,909.40 : x
  2. Step 2: Convert to fraction form
    68,125.52/94,009.37 = 37,909.40/x
  3. Step 3: Cross multiply
    68,125.52x = 94,009.37 × 37,909.40
  4. Step 4: Simplify right side
    68,125.52x = 3,563,838,151.48
  5. Step 5: Solve for x
    x = 3,563,838,151.48/68,125.52
  6. Step 6: Final answer
    x = 52,312.82

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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.