Home / 84,624.39-126,915.73-34,718.67

Finding the Fourth Proportional to 84,624.39, 126,915.73 and 34,718.67

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Solution

The fourth proportional to 84,624.39, 126,915.73 and 34,718.67 is: 52,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.39 : 126,915.73 = 34,718.67 : x
  2. Step 2: Convert to fraction form
    84,624.39/126,915.73 = 34,718.67/x
  3. Step 3: Cross multiply
    84,624.39x = 126,915.73 × 34,718.67
  4. Step 4: Simplify right side
    84,624.39x = 4,406,345,260.88
  5. Step 5: Solve for x
    x = 4,406,345,260.88/84,624.39
  6. Step 6: Final answer
    x = 52,069.45

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1.5x scale

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.