Home / 76,536.03-105,671.27-68,444.60

Finding the Fourth Proportional to 76,536.03, 105,671.27 and 68,444.60

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Solution

The fourth proportional to 76,536.03, 105,671.27 and 68,444.60 is: 94,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,536.03 : 105,671.27 = 68,444.60 : x
  2. Step 2: Convert to fraction form
    76,536.03/105,671.27 = 68,444.60/x
  3. Step 3: Cross multiply
    76,536.03x = 105,671.27 × 68,444.60
  4. Step 4: Simplify right side
    76,536.03x = 7,232,627,449.40
  5. Step 5: Solve for x
    x = 7,232,627,449.40/76,536.03
  6. Step 6: Final answer
    x = 94,499.64

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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.