Home / 88,155.73-121,689.63-59,492.37

Finding the Fourth Proportional to 88,155.73, 121,689.63 and 59,492.37

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Solution

The fourth proportional to 88,155.73, 121,689.63 and 59,492.37 is: 82,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,155.73 : 121,689.63 = 59,492.37 : x
  2. Step 2: Convert to fraction form
    88,155.73/121,689.63 = 59,492.37/x
  3. Step 3: Cross multiply
    88,155.73x = 121,689.63 × 59,492.37
  4. Step 4: Simplify right side
    88,155.73x = 7,239,604,493.12
  5. Step 5: Solve for x
    x = 7,239,604,493.12/88,155.73
  6. Step 6: Final answer
    x = 82,122.90

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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.