Home / 88,622.07-122,318.31-56,350.45

Finding the Fourth Proportional to 88,622.07, 122,318.31 and 56,350.45

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Solution

The fourth proportional to 88,622.07, 122,318.31 and 56,350.45 is: 77,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,622.07 : 122,318.31 = 56,350.45 : x
  2. Step 2: Convert to fraction form
    88,622.07/122,318.31 = 56,350.45/x
  3. Step 3: Cross multiply
    88,622.07x = 122,318.31 × 56,350.45
  4. Step 4: Simplify right side
    88,622.07x = 6,892,691,811.74
  5. Step 5: Solve for x
    x = 6,892,691,811.74/88,622.07
  6. Step 6: Final answer
    x = 77,776.24

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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.