Home / 76,827.84-105,951.96-52,663.92

Finding the Fourth Proportional to 76,827.84, 105,951.96 and 52,663.92

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Solution

The fourth proportional to 76,827.84, 105,951.96 and 52,663.92 is: 72,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,827.84 : 105,951.96 = 52,663.92 : x
  2. Step 2: Convert to fraction form
    76,827.84/105,951.96 = 52,663.92/x
  3. Step 3: Cross multiply
    76,827.84x = 105,951.96 × 52,663.92
  4. Step 4: Simplify right side
    76,827.84x = 5,579,845,545.28
  5. Step 5: Solve for x
    x = 5,579,845,545.28/76,827.84
  6. Step 6: Final answer
    x = 72,627.91

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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.