Home / 113,820.40-157,071.29-62,833.15

Finding the Fourth Proportional to 113,820.40, 157,071.29 and 62,833.15

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Solution

The fourth proportional to 113,820.40, 157,071.29 and 62,833.15 is: 86,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.40 : 157,071.29 = 62,833.15 : x
  2. Step 2: Convert to fraction form
    113,820.40/157,071.29 = 62,833.15/x
  3. Step 3: Cross multiply
    113,820.40x = 157,071.29 × 62,833.15
  4. Step 4: Simplify right side
    113,820.40x = 9,869,283,925.26
  5. Step 5: Solve for x
    x = 9,869,283,925.26/113,820.40
  6. Step 6: Final answer
    x = 86,709.27

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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.