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Finding the Fourth Proportional to 76,107.62, 105,002.70 and 44,250.32

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Solution

The fourth proportional to 76,107.62, 105,002.70 and 44,250.32 is: 61,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,107.62 : 105,002.70 = 44,250.32 : x
  2. Step 2: Convert to fraction form
    76,107.62/105,002.70 = 44,250.32/x
  3. Step 3: Cross multiply
    76,107.62x = 105,002.70 × 44,250.32
  4. Step 4: Simplify right side
    76,107.62x = 4,646,403,075.86
  5. Step 5: Solve for x
    x = 4,646,403,075.86/76,107.62
  6. Step 6: Final answer
    x = 61,050.43

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1.5x scale

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.