Home / 88,031.94-121,477.77-50,305.38

Finding the Fourth Proportional to 88,031.94, 121,477.77 and 50,305.38

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Solution

The fourth proportional to 88,031.94, 121,477.77 and 50,305.38 is: 69,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.94 : 121,477.77 = 50,305.38 : x
  2. Step 2: Convert to fraction form
    88,031.94/121,477.77 = 50,305.38/x
  3. Step 3: Cross multiply
    88,031.94x = 121,477.77 × 50,305.38
  4. Step 4: Simplify right side
    88,031.94x = 6,110,985,381.40
  5. Step 5: Solve for x
    x = 6,110,985,381.40/88,031.94
  6. Step 6: Final answer
    x = 69,417.82

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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.