Home / 113,733.78-156,953.14-62,746.49

Finding the Fourth Proportional to 113,733.78, 156,953.14 and 62,746.49

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Solution

The fourth proportional to 113,733.78, 156,953.14 and 62,746.49 is: 86,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.78 : 156,953.14 = 62,746.49 : x
  2. Step 2: Convert to fraction form
    113,733.78/156,953.14 = 62,746.49/x
  3. Step 3: Cross multiply
    113,733.78x = 156,953.14 × 62,746.49
  4. Step 4: Simplify right side
    113,733.78x = 9,848,258,865.00
  5. Step 5: Solve for x
    x = 9,848,258,865.00/113,733.78
  6. Step 6: Final answer
    x = 86,590.45

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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.