Home / 71,918.84-99,294.12-46,436.60

Finding the Fourth Proportional to 71,918.84, 99,294.12 and 46,436.60

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Solution

The fourth proportional to 71,918.84, 99,294.12 and 46,436.60 is: 64,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,918.84 : 99,294.12 = 46,436.60 : x
  2. Step 2: Convert to fraction form
    71,918.84/99,294.12 = 46,436.60/x
  3. Step 3: Cross multiply
    71,918.84x = 99,294.12 × 46,436.60
  4. Step 4: Simplify right side
    71,918.84x = 4,610,881,332.79
  5. Step 5: Solve for x
    x = 4,610,881,332.79/71,918.84
  6. Step 6: Final answer
    x = 64,112.29

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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.