Home / 113,354.63-156,426.14-61,670.10

Finding the Fourth Proportional to 113,354.63, 156,426.14 and 61,670.10

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Solution

The fourth proportional to 113,354.63, 156,426.14 and 61,670.10 is: 85,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,354.63 : 156,426.14 = 61,670.10 : x
  2. Step 2: Convert to fraction form
    113,354.63/156,426.14 = 61,670.10/x
  3. Step 3: Cross multiply
    113,354.63x = 156,426.14 × 61,670.10
  4. Step 4: Simplify right side
    113,354.63x = 9,646,815,696.41
  5. Step 5: Solve for x
    x = 9,646,815,696.41/113,354.63
  6. Step 6: Final answer
    x = 85,102.97

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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.