Home / 88,260.45-121,827.29-56,429.48

Finding the Fourth Proportional to 88,260.45, 121,827.29 and 56,429.48

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Solution

The fourth proportional to 88,260.45, 121,827.29 and 56,429.48 is: 77,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.45 : 121,827.29 = 56,429.48 : x
  2. Step 2: Convert to fraction form
    88,260.45/121,827.29 = 56,429.48/x
  3. Step 3: Cross multiply
    88,260.45x = 121,827.29 × 56,429.48
  4. Step 4: Simplify right side
    88,260.45x = 6,874,649,733.23
  5. Step 5: Solve for x
    x = 6,874,649,733.23/88,260.45
  6. Step 6: Final answer
    x = 77,890.49

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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.