Home / 92,976.84-128,308.50-50,536.20

Finding the Fourth Proportional to 92,976.84, 128,308.50 and 50,536.20

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Solution

The fourth proportional to 92,976.84, 128,308.50 and 50,536.20 is: 69,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,976.84 : 128,308.50 = 50,536.20 : x
  2. Step 2: Convert to fraction form
    92,976.84/128,308.50 = 50,536.20/x
  3. Step 3: Cross multiply
    92,976.84x = 128,308.50 × 50,536.20
  4. Step 4: Simplify right side
    92,976.84x = 6,484,224,017.70
  5. Step 5: Solve for x
    x = 6,484,224,017.70/92,976.84
  6. Step 6: Final answer
    x = 69,740.21

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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.