Home / 77,438.24-106,862.72-43,443.89

Finding the Fourth Proportional to 77,438.24, 106,862.72 and 43,443.89

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Solution

The fourth proportional to 77,438.24, 106,862.72 and 43,443.89 is: 59,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,438.24 : 106,862.72 = 43,443.89 : x
  2. Step 2: Convert to fraction form
    77,438.24/106,862.72 = 43,443.89/x
  3. Step 3: Cross multiply
    77,438.24x = 106,862.72 × 43,443.89
  4. Step 4: Simplify right side
    77,438.24x = 4,642,531,501.25
  5. Step 5: Solve for x
    x = 4,642,531,501.25/77,438.24
  6. Step 6: Final answer
    x = 59,951.41

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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.