Home / 105,569.17-145,685.46-57,825.48

Finding the Fourth Proportional to 105,569.17, 145,685.46 and 57,825.48

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Solution

The fourth proportional to 105,569.17, 145,685.46 and 57,825.48 is: 79,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,569.17 : 145,685.46 = 57,825.48 : x
  2. Step 2: Convert to fraction form
    105,569.17/145,685.46 = 57,825.48/x
  3. Step 3: Cross multiply
    105,569.17x = 145,685.46 × 57,825.48
  4. Step 4: Simplify right side
    105,569.17x = 8,424,331,653.52
  5. Step 5: Solve for x
    x = 8,424,331,653.52/105,569.17
  6. Step 6: Final answer
    x = 79,799.17

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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.