Home / 103,680.12-155,271.01-59,171.93

Finding the Fourth Proportional to 103,680.12, 155,271.01 and 59,171.93

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Solution

The fourth proportional to 103,680.12, 155,271.01 and 59,171.93 is: 88,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.12 : 155,271.01 = 59,171.93 : x
  2. Step 2: Convert to fraction form
    103,680.12/155,271.01 = 59,171.93/x
  3. Step 3: Cross multiply
    103,680.12x = 155,271.01 × 59,171.93
  4. Step 4: Simplify right side
    103,680.12x = 9,187,685,334.75
  5. Step 5: Solve for x
    x = 9,187,685,334.75/103,680.12
  6. Step 6: Final answer
    x = 88,615.69

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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.