Home / 52,670.65-78,811.84-31,623.48

Finding the Fourth Proportional to 52,670.65, 78,811.84 and 31,623.48

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Solution

The fourth proportional to 52,670.65, 78,811.84 and 31,623.48 is: 47,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670.65 : 78,811.84 = 31,623.48 : x
  2. Step 2: Convert to fraction form
    52,670.65/78,811.84 = 31,623.48/x
  3. Step 3: Cross multiply
    52,670.65x = 78,811.84 × 31,623.48
  4. Step 4: Simplify right side
    52,670.65x = 2,492,304,646.00
  5. Step 5: Solve for x
    x = 2,492,304,646.00/52,670.65
  6. Step 6: Final answer
    x = 47,318.66

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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.