Home / 88,212.06-121,733.22-47,925.81

Finding the Fourth Proportional to 88,212.06, 121,733.22 and 47,925.81

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Solution

The fourth proportional to 88,212.06, 121,733.22 and 47,925.81 is: 66,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212.06 : 121,733.22 = 47,925.81 : x
  2. Step 2: Convert to fraction form
    88,212.06/121,733.22 = 47,925.81/x
  3. Step 3: Cross multiply
    88,212.06x = 121,733.22 × 47,925.81
  4. Step 4: Simplify right side
    88,212.06x = 5,834,163,172.41
  5. Step 5: Solve for x
    x = 5,834,163,172.41/88,212.06
  6. Step 6: Final answer
    x = 66,137.93

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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.