Home / 76,213.02-105,151.19-49,312.92

Finding the Fourth Proportional to 76,213.02, 105,151.19 and 49,312.92

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Solution

The fourth proportional to 76,213.02, 105,151.19 and 49,312.92 is: 68,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,213.02 : 105,151.19 = 49,312.92 : x
  2. Step 2: Convert to fraction form
    76,213.02/105,151.19 = 49,312.92/x
  3. Step 3: Cross multiply
    76,213.02x = 105,151.19 × 49,312.92
  4. Step 4: Simplify right side
    76,213.02x = 5,185,312,220.37
  5. Step 5: Solve for x
    x = 5,185,312,220.37/76,213.02
  6. Step 6: Final answer
    x = 68,037.09

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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.