Home / 108,368.48-149,545.04-60,620.81

Finding the Fourth Proportional to 108,368.48, 149,545.04 and 60,620.81

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Solution

The fourth proportional to 108,368.48, 149,545.04 and 60,620.81 is: 83,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368.48 : 149,545.04 = 60,620.81 : x
  2. Step 2: Convert to fraction form
    108,368.48/149,545.04 = 60,620.81/x
  3. Step 3: Cross multiply
    108,368.48x = 149,545.04 × 60,620.81
  4. Step 4: Simplify right side
    108,368.48x = 9,065,540,405.45
  5. Step 5: Solve for x
    x = 9,065,540,405.45/108,368.48
  6. Step 6: Final answer
    x = 83,654.77

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1.5x scale

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.