Home / 108,583.74-162,834.60-52,405.18

Finding the Fourth Proportional to 108,583.74, 162,834.60 and 52,405.18

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Solution

The fourth proportional to 108,583.74, 162,834.60 and 52,405.18 is: 78,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,583.74 : 162,834.60 = 52,405.18 : x
  2. Step 2: Convert to fraction form
    108,583.74/162,834.60 = 52,405.18/x
  3. Step 3: Cross multiply
    108,583.74x = 162,834.60 × 52,405.18
  4. Step 4: Simplify right side
    108,583.74x = 8,533,376,312.66
  5. Step 5: Solve for x
    x = 8,533,376,312.66/108,583.74
  6. Step 6: Final answer
    x = 78,587.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.