Home / 82,955.40-124,433.10-49,777.80

Finding the Fourth Proportional to 82,955.40, 124,433.10 and 49,777.80

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Solution

The fourth proportional to 82,955.40, 124,433.10 and 49,777.80 is: 74,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,955.40 : 124,433.10 = 49,777.80 : x
  2. Step 2: Convert to fraction form
    82,955.40/124,433.10 = 49,777.80/x
  3. Step 3: Cross multiply
    82,955.40x = 124,433.10 × 49,777.80
  4. Step 4: Simplify right side
    82,955.40x = 6,194,005,965.18
  5. Step 5: Solve for x
    x = 6,194,005,965.18/82,955.40
  6. Step 6: Final answer
    x = 74,666.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.