Home / 109,518.84-151,136.10-59,217.84

Finding the Fourth Proportional to 109,518.84, 151,136.10 and 59,217.84

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Solution

The fourth proportional to 109,518.84, 151,136.10 and 59,217.84 is: 81,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,518.84 : 151,136.10 = 59,217.84 : x
  2. Step 2: Convert to fraction form
    109,518.84/151,136.10 = 59,217.84/x
  3. Step 3: Cross multiply
    109,518.84x = 151,136.10 × 59,217.84
  4. Step 4: Simplify right side
    109,518.84x = 8,949,953,388.02
  5. Step 5: Solve for x
    x = 8,949,953,388.02/109,518.84
  6. Step 6: Final answer
    x = 81,720.67

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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.