Home / 99,943.61-137,918.03-59,134.19

Finding the Fourth Proportional to 99,943.61, 137,918.03 and 59,134.19

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Solution

The fourth proportional to 99,943.61, 137,918.03 and 59,134.19 is: 81,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.61 : 137,918.03 = 59,134.19 : x
  2. Step 2: Convert to fraction form
    99,943.61/137,918.03 = 59,134.19/x
  3. Step 3: Cross multiply
    99,943.61x = 137,918.03 × 59,134.19
  4. Step 4: Simplify right side
    99,943.61x = 8,155,670,005.18
  5. Step 5: Solve for x
    x = 8,155,670,005.18/99,943.61
  6. Step 6: Final answer
    x = 81,602.72

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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.