Home / 52,699.68-78,915.06-30,444.93

Finding the Fourth Proportional to 52,699.68, 78,915.06 and 30,444.93

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Solution

The fourth proportional to 52,699.68, 78,915.06 and 30,444.93 is: 45,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,699.68 : 78,915.06 = 30,444.93 : x
  2. Step 2: Convert to fraction form
    52,699.68/78,915.06 = 30,444.93/x
  3. Step 3: Cross multiply
    52,699.68x = 78,915.06 × 30,444.93
  4. Step 4: Simplify right side
    52,699.68x = 2,402,563,477.65
  5. Step 5: Solve for x
    x = 2,402,563,477.65/52,699.68
  6. Step 6: Final answer
    x = 45,589.72

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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.