Home / 108,688.08-149,989.53-60,941.43

Finding the Fourth Proportional to 108,688.08, 149,989.53 and 60,941.43

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Solution

The fourth proportional to 108,688.08, 149,989.53 and 60,941.43 is: 84,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.08 : 149,989.53 = 60,941.43 : x
  2. Step 2: Convert to fraction form
    108,688.08/149,989.53 = 60,941.43/x
  3. Step 3: Cross multiply
    108,688.08x = 149,989.53 × 60,941.43
  4. Step 4: Simplify right side
    108,688.08x = 9,140,576,443.23
  5. Step 5: Solve for x
    x = 9,140,576,443.23/108,688.08
  6. Step 6: Final answer
    x = 84,099.16

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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.