Home / 113,971.86-157,272.93-62,983.98

Finding the Fourth Proportional to 113,971.86, 157,272.93 and 62,983.98

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Solution

The fourth proportional to 113,971.86, 157,272.93 and 62,983.98 is: 86,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,971.86 : 157,272.93 = 62,983.98 : x
  2. Step 2: Convert to fraction form
    113,971.86/157,272.93 = 62,983.98/x
  3. Step 3: Cross multiply
    113,971.86x = 157,272.93 × 62,983.98
  4. Step 4: Simplify right side
    113,971.86x = 9,905,675,077.66
  5. Step 5: Solve for x
    x = 9,905,675,077.66/113,971.86
  6. Step 6: Final answer
    x = 86,913.34

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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.