Home / 93,285.21-128,733.63-52,999.04

Finding the Fourth Proportional to 93,285.21, 128,733.63 and 52,999.04

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Solution

The fourth proportional to 93,285.21, 128,733.63 and 52,999.04 is: 73,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.21 : 128,733.63 = 52,999.04 : x
  2. Step 2: Convert to fraction form
    93,285.21/128,733.63 = 52,999.04/x
  3. Step 3: Cross multiply
    93,285.21x = 128,733.63 × 52,999.04
  4. Step 4: Simplify right side
    93,285.21x = 6,822,758,162.05
  5. Step 5: Solve for x
    x = 6,822,758,162.05/93,285.21
  6. Step 6: Final answer
    x = 73,138.69

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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.