Home / 109,684.49-151,365.60-64,363.23

Finding the Fourth Proportional to 109,684.49, 151,365.60 and 64,363.23

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Solution

The fourth proportional to 109,684.49, 151,365.60 and 64,363.23 is: 88,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.49 : 151,365.60 = 64,363.23 : x
  2. Step 2: Convert to fraction form
    109,684.49/151,365.60 = 64,363.23/x
  3. Step 3: Cross multiply
    109,684.49x = 151,365.60 × 64,363.23
  4. Step 4: Simplify right side
    109,684.49x = 9,742,378,926.89
  5. Step 5: Solve for x
    x = 9,742,378,926.89/109,684.49
  6. Step 6: Final answer
    x = 88,821.85

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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.