Home / 105,306.94-145,323.58-57,560.48

Finding the Fourth Proportional to 105,306.94, 145,323.58 and 57,560.48

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Solution

The fourth proportional to 105,306.94, 145,323.58 and 57,560.48 is: 79,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,306.94 : 145,323.58 = 57,560.48 : x
  2. Step 2: Convert to fraction form
    105,306.94/145,323.58 = 57,560.48/x
  3. Step 3: Cross multiply
    105,306.94x = 145,323.58 × 57,560.48
  4. Step 4: Simplify right side
    105,306.94x = 8,364,894,149.60
  5. Step 5: Solve for x
    x = 8,364,894,149.60/105,306.94
  6. Step 6: Final answer
    x = 79,433.46

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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.