Home / 105,038.17-144,954.63-57,293.23

Finding the Fourth Proportional to 105,038.17, 144,954.63 and 57,293.23

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Solution

The fourth proportional to 105,038.17, 144,954.63 and 57,293.23 is: 79,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,038.17 : 144,954.63 = 57,293.23 : x
  2. Step 2: Convert to fraction form
    105,038.17/144,954.63 = 57,293.23/x
  3. Step 3: Cross multiply
    105,038.17x = 144,954.63 × 57,293.23
  4. Step 4: Simplify right side
    105,038.17x = 8,304,918,956.15
  5. Step 5: Solve for x
    x = 8,304,918,956.15/105,038.17
  6. Step 6: Final answer
    x = 79,065.72

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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.