Home / 70,463.11-105,307.77-51,527.64

Finding the Fourth Proportional to 70,463.11, 105,307.77 and 51,527.64

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Solution

The fourth proportional to 70,463.11, 105,307.77 and 51,527.64 is: 77,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.11 : 105,307.77 = 51,527.64 : x
  2. Step 2: Convert to fraction form
    70,463.11/105,307.77 = 51,527.64/x
  3. Step 3: Cross multiply
    70,463.11x = 105,307.77 × 51,527.64
  4. Step 4: Simplify right side
    70,463.11x = 5,426,260,604.12
  5. Step 5: Solve for x
    x = 5,426,260,604.12/70,463.11
  6. Step 6: Final answer
    x = 77,008.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.