Home / 88,902.45-133,457.85-70,195.10

Finding the Fourth Proportional to 88,902.45, 133,457.85 and 70,195.10

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Solution

The fourth proportional to 88,902.45, 133,457.85 and 70,195.10 is: 105,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.45 : 133,457.85 = 70,195.10 : x
  2. Step 2: Convert to fraction form
    88,902.45/133,457.85 = 70,195.10/x
  3. Step 3: Cross multiply
    88,902.45x = 133,457.85 × 70,195.10
  4. Step 4: Simplify right side
    88,902.45x = 9,368,086,459.25
  5. Step 5: Solve for x
    x = 9,368,086,459.25/88,902.45
  6. Step 6: Final answer
    x = 105,374.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.