Home / 118,570.76-163,628.94-64,123.99

Finding the Fourth Proportional to 118,570.76, 163,628.94 and 64,123.99

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Solution

The fourth proportional to 118,570.76, 163,628.94 and 64,123.99 is: 88,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,570.76 : 163,628.94 = 64,123.99 : x
  2. Step 2: Convert to fraction form
    118,570.76/163,628.94 = 64,123.99/x
  3. Step 3: Cross multiply
    118,570.76x = 163,628.94 × 64,123.99
  4. Step 4: Simplify right side
    118,570.76x = 10,492,540,590.87
  5. Step 5: Solve for x
    x = 10,492,540,590.87/118,570.76
  6. Step 6: Final answer
    x = 88,491.81

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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.