Home / 93,638.02-140,761.53-75,120.64

Finding the Fourth Proportional to 93,638.02, 140,761.53 and 75,120.64

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Solution

The fourth proportional to 93,638.02, 140,761.53 and 75,120.64 is: 112,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.02 : 140,761.53 = 75,120.64 : x
  2. Step 2: Convert to fraction form
    93,638.02/140,761.53 = 75,120.64/x
  3. Step 3: Cross multiply
    93,638.02x = 140,761.53 × 75,120.64
  4. Step 4: Simplify right side
    93,638.02x = 10,574,096,220.98
  5. Step 5: Solve for x
    x = 10,574,096,220.98/93,638.02
  6. Step 6: Final answer
    x = 112,925.24

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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.