Home / 52,083.53-78,129.91-14,643.93

Finding the Fourth Proportional to 52,083.53, 78,129.91 and 14,643.93

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Solution

The fourth proportional to 52,083.53, 78,129.91 and 14,643.93 is: 21,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,083.53 : 78,129.91 = 14,643.93 : x
  2. Step 2: Convert to fraction form
    52,083.53/78,129.91 = 14,643.93/x
  3. Step 3: Cross multiply
    52,083.53x = 78,129.91 × 14,643.93
  4. Step 4: Simplify right side
    52,083.53x = 1,144,128,575.89
  5. Step 5: Solve for x
    x = 1,144,128,575.89/52,083.53
  6. Step 6: Final answer
    x = 21,967.19

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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.