Home / 101,904.90-152,719.11-57,509.70

Finding the Fourth Proportional to 101,904.90, 152,719.11 and 57,509.70

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Solution

The fourth proportional to 101,904.90, 152,719.11 and 57,509.70 is: 86,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,904.90 : 152,719.11 = 57,509.70 : x
  2. Step 2: Convert to fraction form
    101,904.90/152,719.11 = 57,509.70/x
  3. Step 3: Cross multiply
    101,904.90x = 152,719.11 × 57,509.70
  4. Step 4: Simplify right side
    101,904.90x = 8,782,830,200.37
  5. Step 5: Solve for x
    x = 8,782,830,200.37/101,904.90
  6. Step 6: Final answer
    x = 86,186.53

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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.