Home / 52,156.66-78,038.16-29,980.48

Finding the Fourth Proportional to 52,156.66, 78,038.16 and 29,980.48

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Solution

The fourth proportional to 52,156.66, 78,038.16 and 29,980.48 is: 44,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156.66 : 78,038.16 = 29,980.48 : x
  2. Step 2: Convert to fraction form
    52,156.66/78,038.16 = 29,980.48/x
  3. Step 3: Cross multiply
    52,156.66x = 78,038.16 × 29,980.48
  4. Step 4: Simplify right side
    52,156.66x = 2,339,621,495.12
  5. Step 5: Solve for x
    x = 2,339,621,495.12/52,156.66
  6. Step 6: Final answer
    x = 44,857.58

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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.