Home / 105,273.45-145,274.88-57,527.04

Finding the Fourth Proportional to 105,273.45, 145,274.88 and 57,527.04

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Solution

The fourth proportional to 105,273.45, 145,274.88 and 57,527.04 is: 79,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,273.45 : 145,274.88 = 57,527.04 : x
  2. Step 2: Convert to fraction form
    105,273.45/145,274.88 = 57,527.04/x
  3. Step 3: Cross multiply
    105,273.45x = 145,274.88 × 57,527.04
  4. Step 4: Simplify right side
    105,273.45x = 8,357,233,832.76
  5. Step 5: Solve for x
    x = 8,357,233,832.76/105,273.45
  6. Step 6: Final answer
    x = 79,385.96

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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.