Home / 81,680.02-122,494.10-26,263.06

Finding the Fourth Proportional to 81,680.02, 122,494.10 and 26,263.06

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Solution

The fourth proportional to 81,680.02, 122,494.10 and 26,263.06 is: 39,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,680.02 : 122,494.10 = 26,263.06 : x
  2. Step 2: Convert to fraction form
    81,680.02/122,494.10 = 26,263.06/x
  3. Step 3: Cross multiply
    81,680.02x = 122,494.10 × 26,263.06
  4. Step 4: Simplify right side
    81,680.02x = 3,217,069,897.95
  5. Step 5: Solve for x
    x = 3,217,069,897.95/81,680.02
  6. Step 6: Final answer
    x = 39,386.25

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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.