Home / 91,006.29-125,603.82-52,788.45

Finding the Fourth Proportional to 91,006.29, 125,603.82 and 52,788.45

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Solution

The fourth proportional to 91,006.29, 125,603.82 and 52,788.45 is: 72,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.29 : 125,603.82 = 52,788.45 : x
  2. Step 2: Convert to fraction form
    91,006.29/125,603.82 = 52,788.45/x
  3. Step 3: Cross multiply
    91,006.29x = 125,603.82 × 52,788.45
  4. Step 4: Simplify right side
    91,006.29x = 6,630,430,971.88
  5. Step 5: Solve for x
    x = 6,630,430,971.88/91,006.29
  6. Step 6: Final answer
    x = 72,856.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.