Home / 92,927.52-139,400.40-53,408.16

Finding the Fourth Proportional to 92,927.52, 139,400.40 and 53,408.16

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Solution

The fourth proportional to 92,927.52, 139,400.40 and 53,408.16 is: 80,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.52 : 139,400.40 = 53,408.16 : x
  2. Step 2: Convert to fraction form
    92,927.52/139,400.40 = 53,408.16/x
  3. Step 3: Cross multiply
    92,927.52x = 139,400.40 × 53,408.16
  4. Step 4: Simplify right side
    92,927.52x = 7,445,118,867.26
  5. Step 5: Solve for x
    x = 7,445,118,867.26/92,927.52
  6. Step 6: Final answer
    x = 80,117.48

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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.