Home / 88,139.06-121,631.22-47,852.02

Finding the Fourth Proportional to 88,139.06, 121,631.22 and 47,852.02

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Solution

The fourth proportional to 88,139.06, 121,631.22 and 47,852.02 is: 66,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139.06 : 121,631.22 = 47,852.02 : x
  2. Step 2: Convert to fraction form
    88,139.06/121,631.22 = 47,852.02/x
  3. Step 3: Cross multiply
    88,139.06x = 121,631.22 × 47,852.02
  4. Step 4: Simplify right side
    88,139.06x = 5,820,299,039.93
  5. Step 5: Solve for x
    x = 5,820,299,039.93/88,139.06
  6. Step 6: Final answer
    x = 66,035.41

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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.