Home / 108,345.70-162,493.04-60,980.95

Finding the Fourth Proportional to 108,345.70, 162,493.04 and 60,980.95

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Solution

The fourth proportional to 108,345.70, 162,493.04 and 60,980.95 is: 91,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,345.70 : 162,493.04 = 60,980.95 : x
  2. Step 2: Convert to fraction form
    108,345.70/162,493.04 = 60,980.95/x
  3. Step 3: Cross multiply
    108,345.70x = 162,493.04 × 60,980.95
  4. Step 4: Simplify right side
    108,345.70x = 9,908,979,960.14
  5. Step 5: Solve for x
    x = 9,908,979,960.14/108,345.70
  6. Step 6: Final answer
    x = 91,457.07

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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.