Home / 99,557.51-137,382.48-59,274.18

Finding the Fourth Proportional to 99,557.51, 137,382.48 and 59,274.18

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Solution

The fourth proportional to 99,557.51, 137,382.48 and 59,274.18 is: 81,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557.51 : 137,382.48 = 59,274.18 : x
  2. Step 2: Convert to fraction form
    99,557.51/137,382.48 = 59,274.18/x
  3. Step 3: Cross multiply
    99,557.51x = 137,382.48 × 59,274.18
  4. Step 4: Simplify right side
    99,557.51x = 8,143,233,848.37
  5. Step 5: Solve for x
    x = 8,143,233,848.37/99,557.51
  6. Step 6: Final answer
    x = 81,794.27

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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.