Home / 104,077.02-143,626.28-56,330.36

Finding the Fourth Proportional to 104,077.02, 143,626.28 and 56,330.36

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Solution

The fourth proportional to 104,077.02, 143,626.28 and 56,330.36 is: 77,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.02 : 143,626.28 = 56,330.36 : x
  2. Step 2: Convert to fraction form
    104,077.02/143,626.28 = 56,330.36/x
  3. Step 3: Cross multiply
    104,077.02x = 143,626.28 × 56,330.36
  4. Step 4: Simplify right side
    104,077.02x = 8,090,520,057.86
  5. Step 5: Solve for x
    x = 8,090,520,057.86/104,077.02
  6. Step 6: Final answer
    x = 77,735.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.