Home / 100,898.10-151,347.15-56,611.35

Finding the Fourth Proportional to 100,898.10, 151,347.15 and 56,611.35

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Solution

The fourth proportional to 100,898.10, 151,347.15 and 56,611.35 is: 84,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898.10 : 151,347.15 = 56,611.35 : x
  2. Step 2: Convert to fraction form
    100,898.10/151,347.15 = 56,611.35/x
  3. Step 3: Cross multiply
    100,898.10x = 151,347.15 × 56,611.35
  4. Step 4: Simplify right side
    100,898.10x = 8,567,966,480.15
  5. Step 5: Solve for x
    x = 8,567,966,480.15/100,898.10
  6. Step 6: Final answer
    x = 84,917.03

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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.