Home / 52,508.16-78,762.54-13,065.28

Finding the Fourth Proportional to 52,508.16, 78,762.54 and 13,065.28

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Solution

The fourth proportional to 52,508.16, 78,762.54 and 13,065.28 is: 19,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.16 : 78,762.54 = 13,065.28 : x
  2. Step 2: Convert to fraction form
    52,508.16/78,762.54 = 13,065.28/x
  3. Step 3: Cross multiply
    52,508.16x = 78,762.54 × 13,065.28
  4. Step 4: Simplify right side
    52,508.16x = 1,029,054,638.61
  5. Step 5: Solve for x
    x = 1,029,054,638.61/52,508.16
  6. Step 6: Final answer
    x = 19,597.99

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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.