Home / 105,398.04-145,447.26-57,651.24

Finding the Fourth Proportional to 105,398.04, 145,447.26 and 57,651.24

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Solution

The fourth proportional to 105,398.04, 145,447.26 and 57,651.24 is: 79,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,398.04 : 145,447.26 = 57,651.24 : x
  2. Step 2: Convert to fraction form
    105,398.04/145,447.26 = 57,651.24/x
  3. Step 3: Cross multiply
    105,398.04x = 145,447.26 × 57,651.24
  4. Step 4: Simplify right side
    105,398.04x = 8,385,214,893.60
  5. Step 5: Solve for x
    x = 8,385,214,893.60/105,398.04
  6. Step 6: Final answer
    x = 79,557.60

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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.