Home / 118,440.84-163,443.51-64,727.67

Finding the Fourth Proportional to 118,440.84, 163,443.51 and 64,727.67

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Solution

The fourth proportional to 118,440.84, 163,443.51 and 64,727.67 is: 89,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.84 : 163,443.51 = 64,727.67 : x
  2. Step 2: Convert to fraction form
    118,440.84/163,443.51 = 64,727.67/x
  3. Step 3: Cross multiply
    118,440.84x = 163,443.51 × 64,727.67
  4. Step 4: Simplify right side
    118,440.84x = 10,579,317,578.92
  5. Step 5: Solve for x
    x = 10,579,317,578.92/118,440.84
  6. Step 6: Final answer
    x = 89,321.53

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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.