Home / 88,694.15-122,499.75-64,602.45

Finding the Fourth Proportional to 88,694.15, 122,499.75 and 64,602.45

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Solution

The fourth proportional to 88,694.15, 122,499.75 and 64,602.45 is: 89,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.15 : 122,499.75 = 64,602.45 : x
  2. Step 2: Convert to fraction form
    88,694.15/122,499.75 = 64,602.45/x
  3. Step 3: Cross multiply
    88,694.15x = 122,499.75 × 64,602.45
  4. Step 4: Simplify right side
    88,694.15x = 7,913,783,974.39
  5. Step 5: Solve for x
    x = 7,913,783,974.39/88,694.15
  6. Step 6: Final answer
    x = 89,225.55

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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.