Home / 76,949.02-106,190.09-45,118.45

Finding the Fourth Proportional to 76,949.02, 106,190.09 and 45,118.45

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Solution

The fourth proportional to 76,949.02, 106,190.09 and 45,118.45 is: 62,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,949.02 : 106,190.09 = 45,118.45 : x
  2. Step 2: Convert to fraction form
    76,949.02/106,190.09 = 45,118.45/x
  3. Step 3: Cross multiply
    76,949.02x = 106,190.09 × 45,118.45
  4. Step 4: Simplify right side
    76,949.02x = 4,791,132,266.16
  5. Step 5: Solve for x
    x = 4,791,132,266.16/76,949.02
  6. Step 6: Final answer
    x = 62,263.72

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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.