Home / 76,134.02-105,062.58-43,868.70

Finding the Fourth Proportional to 76,134.02, 105,062.58 and 43,868.70

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Solution

The fourth proportional to 76,134.02, 105,062.58 and 43,868.70 is: 60,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,134.02 : 105,062.58 = 43,868.70 : x
  2. Step 2: Convert to fraction form
    76,134.02/105,062.58 = 43,868.70/x
  3. Step 3: Cross multiply
    76,134.02x = 105,062.58 × 43,868.70
  4. Step 4: Simplify right side
    76,134.02x = 4,608,958,803.25
  5. Step 5: Solve for x
    x = 4,608,958,803.25/76,134.02
  6. Step 6: Final answer
    x = 60,537.44

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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.