Home / 52,429.70-78,639.08-14,987.34

Finding the Fourth Proportional to 52,429.70, 78,639.08 and 14,987.34

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Solution

The fourth proportional to 52,429.70, 78,639.08 and 14,987.34 is: 22,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,429.70 : 78,639.08 = 14,987.34 : x
  2. Step 2: Convert to fraction form
    52,429.70/78,639.08 = 14,987.34/x
  3. Step 3: Cross multiply
    52,429.70x = 78,639.08 × 14,987.34
  4. Step 4: Simplify right side
    52,429.70x = 1,178,590,554.31
  5. Step 5: Solve for x
    x = 1,178,590,554.31/52,429.70
  6. Step 6: Final answer
    x = 22,479.45

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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.