Home / 105,396.04-145,444.50-57,649.24

Finding the Fourth Proportional to 105,396.04, 145,444.50 and 57,649.24

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Solution

The fourth proportional to 105,396.04, 145,444.50 and 57,649.24 is: 79,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396.04 : 145,444.50 = 57,649.24 : x
  2. Step 2: Convert to fraction form
    105,396.04/145,444.50 = 57,649.24/x
  3. Step 3: Cross multiply
    105,396.04x = 145,444.50 × 57,649.24
  4. Step 4: Simplify right side
    105,396.04x = 8,384,764,887.18
  5. Step 5: Solve for x
    x = 8,384,764,887.18/105,396.04
  6. Step 6: Final answer
    x = 79,554.84

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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.