Home / 76,135.62-105,106.95-47,464.02

Finding the Fourth Proportional to 76,135.62, 105,106.95 and 47,464.02

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Solution

The fourth proportional to 76,135.62, 105,106.95 and 47,464.02 is: 65,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.62 : 105,106.95 = 47,464.02 : x
  2. Step 2: Convert to fraction form
    76,135.62/105,106.95 = 47,464.02/x
  3. Step 3: Cross multiply
    76,135.62x = 105,106.95 × 47,464.02
  4. Step 4: Simplify right side
    76,135.62x = 4,988,798,376.94
  5. Step 5: Solve for x
    x = 4,988,798,376.94/76,135.62
  6. Step 6: Final answer
    x = 65,525.16

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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.