Home / 90,083.99-124,309.98-51,837.36

Finding the Fourth Proportional to 90,083.99, 124,309.98 and 51,837.36

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Solution

The fourth proportional to 90,083.99, 124,309.98 and 51,837.36 is: 71,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.99 : 124,309.98 = 51,837.36 : x
  2. Step 2: Convert to fraction form
    90,083.99/124,309.98 = 51,837.36/x
  3. Step 3: Cross multiply
    90,083.99x = 124,309.98 × 51,837.36
  4. Step 4: Simplify right side
    90,083.99x = 6,443,900,925.67
  5. Step 5: Solve for x
    x = 6,443,900,925.67/90,083.99
  6. Step 6: Final answer
    x = 71,532.15

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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.