Home / 90,307.44-124,611.98-50,011.28

Finding the Fourth Proportional to 90,307.44, 124,611.98 and 50,011.28

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Solution

The fourth proportional to 90,307.44, 124,611.98 and 50,011.28 is: 69,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.44 : 124,611.98 = 50,011.28 : x
  2. Step 2: Convert to fraction form
    90,307.44/124,611.98 = 50,011.28/x
  3. Step 3: Cross multiply
    90,307.44x = 124,611.98 × 50,011.28
  4. Step 4: Simplify right side
    90,307.44x = 6,232,004,623.13
  5. Step 5: Solve for x
    x = 6,232,004,623.13/90,307.44
  6. Step 6: Final answer
    x = 69,008.76

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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.