Home / 52,378.90-78,569.09-14,938.98

Finding the Fourth Proportional to 52,378.90, 78,569.09 and 14,938.98

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Solution

The fourth proportional to 52,378.90, 78,569.09 and 14,938.98 is: 22,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.90 : 78,569.09 = 14,938.98 : x
  2. Step 2: Convert to fraction form
    52,378.90/78,569.09 = 14,938.98/x
  3. Step 3: Cross multiply
    52,378.90x = 78,569.09 × 14,938.98
  4. Step 4: Simplify right side
    52,378.90x = 1,173,742,064.13
  5. Step 5: Solve for x
    x = 1,173,742,064.13/52,378.90
  6. Step 6: Final answer
    x = 22,408.68

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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.