Home / 100,877.54-139,198.10-60,598.46

Finding the Fourth Proportional to 100,877.54, 139,198.10 and 60,598.46

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Solution

The fourth proportional to 100,877.54, 139,198.10 and 60,598.46 is: 83,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,877.54 : 139,198.10 = 60,598.46 : x
  2. Step 2: Convert to fraction form
    100,877.54/139,198.10 = 60,598.46/x
  3. Step 3: Cross multiply
    100,877.54x = 139,198.10 × 60,598.46
  4. Step 4: Simplify right side
    100,877.54x = 8,435,190,539.93
  5. Step 5: Solve for x
    x = 8,435,190,539.93/100,877.54
  6. Step 6: Final answer
    x = 83,618.13

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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.