Home / 105,294.06-157,970.43-58,579.74

Finding the Fourth Proportional to 105,294.06, 157,970.43 and 58,579.74

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Solution

The fourth proportional to 105,294.06, 157,970.43 and 58,579.74 is: 87,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,294.06 : 157,970.43 = 58,579.74 : x
  2. Step 2: Convert to fraction form
    105,294.06/157,970.43 = 58,579.74/x
  3. Step 3: Cross multiply
    105,294.06x = 157,970.43 × 58,579.74
  4. Step 4: Simplify right side
    105,294.06x = 9,253,866,717.09
  5. Step 5: Solve for x
    x = 9,253,866,717.09/105,294.06
  6. Step 6: Final answer
    x = 87,885.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.