Home / 109,730.14-151,427.79-59,429.14

Finding the Fourth Proportional to 109,730.14, 151,427.79 and 59,429.14

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Solution

The fourth proportional to 109,730.14, 151,427.79 and 59,429.14 is: 82,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.14 : 151,427.79 = 59,429.14 : x
  2. Step 2: Convert to fraction form
    109,730.14/151,427.79 = 59,429.14/x
  3. Step 3: Cross multiply
    109,730.14x = 151,427.79 × 59,429.14
  4. Step 4: Simplify right side
    109,730.14x = 8,999,223,331.80
  5. Step 5: Solve for x
    x = 8,999,223,331.80/109,730.14
  6. Step 6: Final answer
    x = 82,012.32

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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.