Home / 61,143.48-91,705.77-25,123.59

Finding the Fourth Proportional to 61,143.48, 91,705.77 and 25,123.59

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Solution

The fourth proportional to 61,143.48, 91,705.77 and 25,123.59 is: 37,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,143.48 : 91,705.77 = 25,123.59 : x
  2. Step 2: Convert to fraction form
    61,143.48/91,705.77 = 25,123.59/x
  3. Step 3: Cross multiply
    61,143.48x = 91,705.77 × 25,123.59
  4. Step 4: Simplify right side
    61,143.48x = 2,303,978,166.11
  5. Step 5: Solve for x
    x = 2,303,978,166.11/61,143.48
  6. Step 6: Final answer
    x = 37,681.50

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1.5x scale

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.