Home / 100,967.28-151,256.64-56,459.04

Finding the Fourth Proportional to 100,967.28, 151,256.64 and 56,459.04

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Solution

The fourth proportional to 100,967.28, 151,256.64 and 56,459.04 is: 84,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,967.28 : 151,256.64 = 56,459.04 : x
  2. Step 2: Convert to fraction form
    100,967.28/151,256.64 = 56,459.04/x
  3. Step 3: Cross multiply
    100,967.28x = 151,256.64 × 56,459.04
  4. Step 4: Simplify right side
    100,967.28x = 8,539,804,688.03
  5. Step 5: Solve for x
    x = 8,539,804,688.03/100,967.28
  6. Step 6: Final answer
    x = 84,579.92

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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.