Home / 74,681.91-111,759.61-46,615.14

Finding the Fourth Proportional to 74,681.91, 111,759.61 and 46,615.14

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Solution

The fourth proportional to 74,681.91, 111,759.61 and 46,615.14 is: 69,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681.91 : 111,759.61 = 46,615.14 : x
  2. Step 2: Convert to fraction form
    74,681.91/111,759.61 = 46,615.14/x
  3. Step 3: Cross multiply
    74,681.91x = 111,759.61 × 46,615.14
  4. Step 4: Simplify right side
    74,681.91x = 5,209,689,866.50
  5. Step 5: Solve for x
    x = 5,209,689,866.50/74,681.91
  6. Step 6: Final answer
    x = 69,758.39

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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.