Home / 99,309.28-137,090.98-59,036.08

Finding the Fourth Proportional to 99,309.28, 137,090.98 and 59,036.08

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Solution

The fourth proportional to 99,309.28, 137,090.98 and 59,036.08 is: 81,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,309.28 : 137,090.98 = 59,036.08 : x
  2. Step 2: Convert to fraction form
    99,309.28/137,090.98 = 59,036.08/x
  3. Step 3: Cross multiply
    99,309.28x = 137,090.98 × 59,036.08
  4. Step 4: Simplify right side
    99,309.28x = 8,093,314,062.56
  5. Step 5: Solve for x
    x = 8,093,314,062.56/99,309.28
  6. Step 6: Final answer
    x = 81,496.05

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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.