Home / 100,283.44-138,354.48-59,998.32

Finding the Fourth Proportional to 100,283.44, 138,354.48 and 59,998.32

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Solution

The fourth proportional to 100,283.44, 138,354.48 and 59,998.32 is: 82,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,283.44 : 138,354.48 = 59,998.32 : x
  2. Step 2: Convert to fraction form
    100,283.44/138,354.48 = 59,998.32/x
  3. Step 3: Cross multiply
    100,283.44x = 138,354.48 × 59,998.32
  4. Step 4: Simplify right side
    100,283.44x = 8,301,036,364.47
  5. Step 5: Solve for x
    x = 8,301,036,364.47/100,283.44
  6. Step 6: Final answer
    x = 82,775.74

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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.