Home / 121,588.87-182,258.60-46,688.85

Finding the Fourth Proportional to 121,588.87, 182,258.60 and 46,688.85

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Solution

The fourth proportional to 121,588.87, 182,258.60 and 46,688.85 is: 69,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,588.87 : 182,258.60 = 46,688.85 : x
  2. Step 2: Convert to fraction form
    121,588.87/182,258.60 = 46,688.85/x
  3. Step 3: Cross multiply
    121,588.87x = 182,258.60 × 46,688.85
  4. Step 4: Simplify right side
    121,588.87x = 8,509,444,436.61
  5. Step 5: Solve for x
    x = 8,509,444,436.61/121,588.87
  6. Step 6: Final answer
    x = 69,985.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.