Home / 105,677.17-145,837.29-57,932.29

Finding the Fourth Proportional to 105,677.17, 145,837.29 and 57,932.29

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Solution

The fourth proportional to 105,677.17, 145,837.29 and 57,932.29 is: 79,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,677.17 : 145,837.29 = 57,932.29 : x
  2. Step 2: Convert to fraction form
    105,677.17/145,837.29 = 57,932.29/x
  3. Step 3: Cross multiply
    105,677.17x = 145,837.29 × 57,932.29
  4. Step 4: Simplify right side
    105,677.17x = 8,448,688,177.09
  5. Step 5: Solve for x
    x = 8,448,688,177.09/105,677.17
  6. Step 6: Final answer
    x = 79,948.09

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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.