Home / 90,384.03-124,729.74-49,548.15

Finding the Fourth Proportional to 90,384.03, 124,729.74 and 49,548.15

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Solution

The fourth proportional to 90,384.03, 124,729.74 and 49,548.15 is: 68,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.03 : 124,729.74 = 49,548.15 : x
  2. Step 2: Convert to fraction form
    90,384.03/124,729.74 = 49,548.15/x
  3. Step 3: Cross multiply
    90,384.03x = 124,729.74 × 49,548.15
  4. Step 4: Simplify right side
    90,384.03x = 6,180,127,866.98
  5. Step 5: Solve for x
    x = 6,180,127,866.98/90,384.03
  6. Step 6: Final answer
    x = 68,376.33

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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.