Home / 101,017.60-151,543.40-30,880.52

Finding the Fourth Proportional to 101,017.60, 151,543.40 and 30,880.52

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Solution

The fourth proportional to 101,017.60, 151,543.40 and 30,880.52 is: 46,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,017.60 : 151,543.40 = 30,880.52 : x
  2. Step 2: Convert to fraction form
    101,017.60/151,543.40 = 30,880.52/x
  3. Step 3: Cross multiply
    101,017.60x = 151,543.40 × 30,880.52
  4. Step 4: Simplify right side
    101,017.60x = 4,679,738,994.57
  5. Step 5: Solve for x
    x = 4,679,738,994.57/101,017.60
  6. Step 6: Final answer
    x = 46,325.98

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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.