Home / 118,063.04-162,869.28-70,301.12

Finding the Fourth Proportional to 118,063.04, 162,869.28 and 70,301.12

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Solution

The fourth proportional to 118,063.04, 162,869.28 and 70,301.12 is: 96,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,063.04 : 162,869.28 = 70,301.12 : x
  2. Step 2: Convert to fraction form
    118,063.04/162,869.28 = 70,301.12/x
  3. Step 3: Cross multiply
    118,063.04x = 162,869.28 × 70,301.12
  4. Step 4: Simplify right side
    118,063.04x = 11,449,892,797.59
  5. Step 5: Solve for x
    x = 11,449,892,797.59/118,063.04
  6. Step 6: Final answer
    x = 96,981.18

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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.