Home / 88,457.40-122,226.66-70,698.96

Finding the Fourth Proportional to 88,457.40, 122,226.66 and 70,698.96

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Solution

The fourth proportional to 88,457.40, 122,226.66 and 70,698.96 is: 97,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,457.40 : 122,226.66 = 70,698.96 : x
  2. Step 2: Convert to fraction form
    88,457.40/122,226.66 = 70,698.96/x
  3. Step 3: Cross multiply
    88,457.40x = 122,226.66 × 70,698.96
  4. Step 4: Simplify right side
    88,457.40x = 8,641,297,746.27
  5. Step 5: Solve for x
    x = 8,641,297,746.27/88,457.40
  6. Step 6: Final answer
    x = 97,688.81

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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.