Home / 93,247.02-128,691.82-52,411.20

Finding the Fourth Proportional to 93,247.02, 128,691.82 and 52,411.20

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Solution

The fourth proportional to 93,247.02, 128,691.82 and 52,411.20 is: 72,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.02 : 128,691.82 = 52,411.20 : x
  2. Step 2: Convert to fraction form
    93,247.02/128,691.82 = 52,411.20/x
  3. Step 3: Cross multiply
    93,247.02x = 128,691.82 × 52,411.20
  4. Step 4: Simplify right side
    93,247.02x = 6,744,893,133.75
  5. Step 5: Solve for x
    x = 6,744,893,133.75/93,247.02
  6. Step 6: Final answer
    x = 72,333.61

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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.