Home / 76,573.17-105,671.07-42,580.94

Finding the Fourth Proportional to 76,573.17, 105,671.07 and 42,580.94

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Solution

The fourth proportional to 76,573.17, 105,671.07 and 42,580.94 is: 58,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573.17 : 105,671.07 = 42,580.94 : x
  2. Step 2: Convert to fraction form
    76,573.17/105,671.07 = 42,580.94/x
  3. Step 3: Cross multiply
    76,573.17x = 105,671.07 × 42,580.94
  4. Step 4: Simplify right side
    76,573.17x = 4,499,572,963.05
  5. Step 5: Solve for x
    x = 4,499,572,963.05/76,573.17
  6. Step 6: Final answer
    x = 58,761.74

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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.