Home / 100,938.17-151,431.05-56,595.53

Finding the Fourth Proportional to 100,938.17, 151,431.05 and 56,595.53

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Solution

The fourth proportional to 100,938.17, 151,431.05 and 56,595.53 is: 84,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,938.17 : 151,431.05 = 56,595.53 : x
  2. Step 2: Convert to fraction form
    100,938.17/151,431.05 = 56,595.53/x
  3. Step 3: Cross multiply
    100,938.17x = 151,431.05 × 56,595.53
  4. Step 4: Simplify right side
    100,938.17x = 8,570,321,053.27
  5. Step 5: Solve for x
    x = 8,570,321,053.27/100,938.17
  6. Step 6: Final answer
    x = 84,906.64

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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.