Home / 77,217.90-106,562.50-43,225.54

Finding the Fourth Proportional to 77,217.90, 106,562.50 and 43,225.54

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Solution

The fourth proportional to 77,217.90, 106,562.50 and 43,225.54 is: 59,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.90 : 106,562.50 = 43,225.54 : x
  2. Step 2: Convert to fraction form
    77,217.90/106,562.50 = 43,225.54/x
  3. Step 3: Cross multiply
    77,217.90x = 106,562.50 × 43,225.54
  4. Step 4: Simplify right side
    77,217.90x = 4,606,221,606.25
  5. Step 5: Solve for x
    x = 4,606,221,606.25/77,217.90
  6. Step 6: Final answer
    x = 59,652.25

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1.5x scale

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.