Home / 61,140.33-91,575-46,996.20

Finding the Fourth Proportional to 61,140.33, 91,575 and 46,996.20

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Solution

The fourth proportional to 61,140.33, 91,575 and 46,996.20 is: 70,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.33 : 91,575 = 46,996.20 : x
  2. Step 2: Convert to fraction form
    61,140.33/91,575 = 46,996.20/x
  3. Step 3: Cross multiply
    61,140.33x = 91,575 × 46,996.20
  4. Step 4: Simplify right side
    61,140.33x = 4,303,677,015
  5. Step 5: Solve for x
    x = 4,303,677,015/61,140.33
  6. Step 6: Final answer
    x = 70,390.15

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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.