Home / 52,669.65-78,810.34-31,622.48

Finding the Fourth Proportional to 52,669.65, 78,810.34 and 31,622.48

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Solution

The fourth proportional to 52,669.65, 78,810.34 and 31,622.48 is: 47,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.65 : 78,810.34 = 31,622.48 : x
  2. Step 2: Convert to fraction form
    52,669.65/78,810.34 = 31,622.48/x
  3. Step 3: Cross multiply
    52,669.65x = 78,810.34 × 31,622.48
  4. Step 4: Simplify right side
    52,669.65x = 2,492,178,400.44
  5. Step 5: Solve for x
    x = 2,492,178,400.44/52,669.65
  6. Step 6: Final answer
    x = 47,317.16

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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.