Home / 88,225.65-121,749.26-49,460.91

Finding the Fourth Proportional to 88,225.65, 121,749.26 and 49,460.91

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Solution

The fourth proportional to 88,225.65, 121,749.26 and 49,460.91 is: 68,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225.65 : 121,749.26 = 49,460.91 : x
  2. Step 2: Convert to fraction form
    88,225.65/121,749.26 = 49,460.91/x
  3. Step 3: Cross multiply
    88,225.65x = 121,749.26 × 49,460.91
  4. Step 4: Simplify right side
    88,225.65x = 6,021,828,582.68
  5. Step 5: Solve for x
    x = 6,021,828,582.68/88,225.65
  6. Step 6: Final answer
    x = 68,254.85

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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.