Home / 90,028.17-124,133.50-61,364.80

Finding the Fourth Proportional to 90,028.17, 124,133.50 and 61,364.80

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Solution

The fourth proportional to 90,028.17, 124,133.50 and 61,364.80 is: 84,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028.17 : 124,133.50 = 61,364.80 : x
  2. Step 2: Convert to fraction form
    90,028.17/124,133.50 = 61,364.80/x
  3. Step 3: Cross multiply
    90,028.17x = 124,133.50 × 61,364.80
  4. Step 4: Simplify right side
    90,028.17x = 7,617,427,093.98
  5. Step 5: Solve for x
    x = 7,617,427,093.98/90,028.17
  6. Step 6: Final answer
    x = 84,611.60

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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.