Home / 104,454.12-144,144.45-56,707.05

Finding the Fourth Proportional to 104,454.12, 144,144.45 and 56,707.05

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Solution

The fourth proportional to 104,454.12, 144,144.45 and 56,707.05 is: 78,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.12 : 144,144.45 = 56,707.05 : x
  2. Step 2: Convert to fraction form
    104,454.12/144,144.45 = 56,707.05/x
  3. Step 3: Cross multiply
    104,454.12x = 144,144.45 × 56,707.05
  4. Step 4: Simplify right side
    104,454.12x = 8,174,006,533.37
  5. Step 5: Solve for x
    x = 8,174,006,533.37/104,454.12
  6. Step 6: Final answer
    x = 78,254.52

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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.