Home / 100,883.61-139,096.04-63,092.25

Finding the Fourth Proportional to 100,883.61, 139,096.04 and 63,092.25

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Solution

The fourth proportional to 100,883.61, 139,096.04 and 63,092.25 is: 86,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,883.61 : 139,096.04 = 63,092.25 : x
  2. Step 2: Convert to fraction form
    100,883.61/139,096.04 = 63,092.25/x
  3. Step 3: Cross multiply
    100,883.61x = 139,096.04 × 63,092.25
  4. Step 4: Simplify right side
    100,883.61x = 8,775,881,814.23
  5. Step 5: Solve for x
    x = 8,775,881,814.23/100,883.61
  6. Step 6: Final answer
    x = 86,990.16

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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.