Home / 90,262.73-124,563.56-49,977.20

Finding the Fourth Proportional to 90,262.73, 124,563.56 and 49,977.20

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Solution

The fourth proportional to 90,262.73, 124,563.56 and 49,977.20 is: 68,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.73 : 124,563.56 = 49,977.20 : x
  2. Step 2: Convert to fraction form
    90,262.73/124,563.56 = 49,977.20/x
  3. Step 3: Cross multiply
    90,262.73x = 124,563.56 × 49,977.20
  4. Step 4: Simplify right side
    90,262.73x = 6,225,338,012.35
  5. Step 5: Solve for x
    x = 6,225,338,012.35/90,262.73
  6. Step 6: Final answer
    x = 68,969.08

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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.