Home / 101,036.85-151,555.28-56,085.81

Finding the Fourth Proportional to 101,036.85, 151,555.28 and 56,085.81

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Solution

The fourth proportional to 101,036.85, 151,555.28 and 56,085.81 is: 84,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,036.85 : 151,555.28 = 56,085.81 : x
  2. Step 2: Convert to fraction form
    101,036.85/151,555.28 = 56,085.81/x
  3. Step 3: Cross multiply
    101,036.85x = 151,555.28 × 56,085.81
  4. Step 4: Simplify right side
    101,036.85x = 8,500,100,358.15
  5. Step 5: Solve for x
    x = 8,500,100,358.15/101,036.85
  6. Step 6: Final answer
    x = 84,128.72

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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.