Home / 113,905.50-157,189.90-62,917.32

Finding the Fourth Proportional to 113,905.50, 157,189.90 and 62,917.32

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Solution

The fourth proportional to 113,905.50, 157,189.90 and 62,917.32 is: 86,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,905.50 : 157,189.90 = 62,917.32 : x
  2. Step 2: Convert to fraction form
    113,905.50/157,189.90 = 62,917.32/x
  3. Step 3: Cross multiply
    113,905.50x = 157,189.90 × 62,917.32
  4. Step 4: Simplify right side
    113,905.50x = 9,889,967,239.07
  5. Step 5: Solve for x
    x = 9,889,967,239.07/113,905.50
  6. Step 6: Final answer
    x = 86,826.07

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1.5x scale

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.