Home / 113,835.81-157,089.35-62,847.51

Finding the Fourth Proportional to 113,835.81, 157,089.35 and 62,847.51

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Solution

The fourth proportional to 113,835.81, 157,089.35 and 62,847.51 is: 86,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.81 : 157,089.35 = 62,847.51 : x
  2. Step 2: Convert to fraction form
    113,835.81/157,089.35 = 62,847.51/x
  3. Step 3: Cross multiply
    113,835.81x = 157,089.35 × 62,847.51
  4. Step 4: Simplify right side
    113,835.81x = 9,872,674,063.05
  5. Step 5: Solve for x
    x = 9,872,674,063.05/113,835.81
  6. Step 6: Final answer
    x = 86,727.31

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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.