Home / 90,551.40-124,955.01-50,265.15

Finding the Fourth Proportional to 90,551.40, 124,955.01 and 50,265.15

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Solution

The fourth proportional to 90,551.40, 124,955.01 and 50,265.15 is: 69,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.40 : 124,955.01 = 50,265.15 : x
  2. Step 2: Convert to fraction form
    90,551.40/124,955.01 = 50,265.15/x
  3. Step 3: Cross multiply
    90,551.40x = 124,955.01 × 50,265.15
  4. Step 4: Simplify right side
    90,551.40x = 6,280,882,320.90
  5. Step 5: Solve for x
    x = 6,280,882,320.90/90,551.40
  6. Step 6: Final answer
    x = 69,362.62

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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.