Home / 113,285.61-156,335.94-62,300.57

Finding the Fourth Proportional to 113,285.61, 156,335.94 and 62,300.57

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Solution

The fourth proportional to 113,285.61, 156,335.94 and 62,300.57 is: 85,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,285.61 : 156,335.94 = 62,300.57 : x
  2. Step 2: Convert to fraction form
    113,285.61/156,335.94 = 62,300.57/x
  3. Step 3: Cross multiply
    113,285.61x = 156,335.94 × 62,300.57
  4. Step 4: Simplify right side
    113,285.61x = 9,739,817,391.81
  5. Step 5: Solve for x
    x = 9,739,817,391.81/113,285.61
  6. Step 6: Final answer
    x = 85,975.77

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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.