Home / 109,829.56-151,484.70-69,549.88

Finding the Fourth Proportional to 109,829.56, 151,484.70 and 69,549.88

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Solution

The fourth proportional to 109,829.56, 151,484.70 and 69,549.88 is: 95,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,829.56 : 151,484.70 = 69,549.88 : x
  2. Step 2: Convert to fraction form
    109,829.56/151,484.70 = 69,549.88/x
  3. Step 3: Cross multiply
    109,829.56x = 151,484.70 × 69,549.88
  4. Step 4: Simplify right side
    109,829.56x = 10,535,742,706.84
  5. Step 5: Solve for x
    x = 10,535,742,706.84/109,829.56
  6. Step 6: Final answer
    x = 95,928.12

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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.