Home / 99,772.60-149,457.30-62,217.40

Finding the Fourth Proportional to 99,772.60, 149,457.30 and 62,217.40

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Solution

The fourth proportional to 99,772.60, 149,457.30 and 62,217.40 is: 93,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,772.60 : 149,457.30 = 62,217.40 : x
  2. Step 2: Convert to fraction form
    99,772.60/149,457.30 = 62,217.40/x
  3. Step 3: Cross multiply
    99,772.60x = 149,457.30 × 62,217.40
  4. Step 4: Simplify right side
    99,772.60x = 9,298,844,617.02
  5. Step 5: Solve for x
    x = 9,298,844,617.02/99,772.60
  6. Step 6: Final answer
    x = 93,200.38

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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.