Home / 77,862.36-107,455.50-44,328.36

Finding the Fourth Proportional to 77,862.36, 107,455.50 and 44,328.36

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Solution

The fourth proportional to 77,862.36, 107,455.50 and 44,328.36 is: 61,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,862.36 : 107,455.50 = 44,328.36 : x
  2. Step 2: Convert to fraction form
    77,862.36/107,455.50 = 44,328.36/x
  3. Step 3: Cross multiply
    77,862.36x = 107,455.50 × 44,328.36
  4. Step 4: Simplify right side
    77,862.36x = 4,763,326,087.98
  5. Step 5: Solve for x
    x = 4,763,326,087.98/77,862.36
  6. Step 6: Final answer
    x = 61,176.24

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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.