Home / 90,203.72-124,583.93-61,473.83

Finding the Fourth Proportional to 90,203.72, 124,583.93 and 61,473.83

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Solution

The fourth proportional to 90,203.72, 124,583.93 and 61,473.83 is: 84,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,203.72 : 124,583.93 = 61,473.83 : x
  2. Step 2: Convert to fraction form
    90,203.72/124,583.93 = 61,473.83/x
  3. Step 3: Cross multiply
    90,203.72x = 124,583.93 × 61,473.83
  4. Step 4: Simplify right side
    90,203.72x = 7,658,650,403.26
  5. Step 5: Solve for x
    x = 7,658,650,403.26/90,203.72
  6. Step 6: Final answer
    x = 84,903.94

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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.