Home / 88,042.40-121,504.54-49,801.98

Finding the Fourth Proportional to 88,042.40, 121,504.54 and 49,801.98

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Solution

The fourth proportional to 88,042.40, 121,504.54 and 49,801.98 is: 68,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,042.40 : 121,504.54 = 49,801.98 : x
  2. Step 2: Convert to fraction form
    88,042.40/121,504.54 = 49,801.98/x
  3. Step 3: Cross multiply
    88,042.40x = 121,504.54 × 49,801.98
  4. Step 4: Simplify right side
    88,042.40x = 6,051,166,670.99
  5. Step 5: Solve for x
    x = 6,051,166,670.99/88,042.40
  6. Step 6: Final answer
    x = 68,730.14

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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.