Home / 100,822.53-151,233.80-30,702.45

Finding the Fourth Proportional to 100,822.53, 151,233.80 and 30,702.45

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Solution

The fourth proportional to 100,822.53, 151,233.80 and 30,702.45 is: 46,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.53 : 151,233.80 = 30,702.45 : x
  2. Step 2: Convert to fraction form
    100,822.53/151,233.80 = 30,702.45/x
  3. Step 3: Cross multiply
    100,822.53x = 151,233.80 × 30,702.45
  4. Step 4: Simplify right side
    100,822.53x = 4,643,248,182.81
  5. Step 5: Solve for x
    x = 4,643,248,182.81/100,822.53
  6. Step 6: Final answer
    x = 46,053.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.