Home / 104,816.20-144,643.08-57,069.24

Finding the Fourth Proportional to 104,816.20, 144,643.08 and 57,069.24

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Solution

The fourth proportional to 104,816.20, 144,643.08 and 57,069.24 is: 78,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.20 : 144,643.08 = 57,069.24 : x
  2. Step 2: Convert to fraction form
    104,816.20/144,643.08 = 57,069.24/x
  3. Step 3: Cross multiply
    104,816.20x = 144,643.08 × 57,069.24
  4. Step 4: Simplify right side
    104,816.20x = 8,254,670,646.86
  5. Step 5: Solve for x
    x = 8,254,670,646.86/104,816.20
  6. Step 6: Final answer
    x = 78,753.77

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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.