Home / 113,705.63-156,911.02-62,717.27

Finding the Fourth Proportional to 113,705.63, 156,911.02 and 62,717.27

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Solution

The fourth proportional to 113,705.63, 156,911.02 and 62,717.27 is: 86,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,705.63 : 156,911.02 = 62,717.27 : x
  2. Step 2: Convert to fraction form
    113,705.63/156,911.02 = 62,717.27/x
  3. Step 3: Cross multiply
    113,705.63x = 156,911.02 × 62,717.27
  4. Step 4: Simplify right side
    113,705.63x = 9,841,030,807.32
  5. Step 5: Solve for x
    x = 9,841,030,807.32/113,705.63
  6. Step 6: Final answer
    x = 86,548.32

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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.