Home / 90,506.79-124,897.45-50,219.68

Finding the Fourth Proportional to 90,506.79, 124,897.45 and 50,219.68

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Solution

The fourth proportional to 90,506.79, 124,897.45 and 50,219.68 is: 69,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.79 : 124,897.45 = 50,219.68 : x
  2. Step 2: Convert to fraction form
    90,506.79/124,897.45 = 50,219.68/x
  3. Step 3: Cross multiply
    90,506.79x = 124,897.45 × 50,219.68
  4. Step 4: Simplify right side
    90,506.79x = 6,272,309,971.82
  5. Step 5: Solve for x
    x = 6,272,309,971.82/90,506.79
  6. Step 6: Final answer
    x = 69,302.09

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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.