Home / 76,731.60-105,938.28-52,573.44

Finding the Fourth Proportional to 76,731.60, 105,938.28 and 52,573.44

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Solution

The fourth proportional to 76,731.60, 105,938.28 and 52,573.44 is: 72,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731.60 : 105,938.28 = 52,573.44 : x
  2. Step 2: Convert to fraction form
    76,731.60/105,938.28 = 52,573.44/x
  3. Step 3: Cross multiply
    76,731.60x = 105,938.28 × 52,573.44
  4. Step 4: Simplify right side
    76,731.60x = 5,569,539,807.28
  5. Step 5: Solve for x
    x = 5,569,539,807.28/76,731.60
  6. Step 6: Final answer
    x = 72,584.70

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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.