Home / 93,288.02-128,740.69-53,003.46

Finding the Fourth Proportional to 93,288.02, 128,740.69 and 53,003.46

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Solution

The fourth proportional to 93,288.02, 128,740.69 and 53,003.46 is: 73,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.02 : 128,740.69 = 53,003.46 : x
  2. Step 2: Convert to fraction form
    93,288.02/128,740.69 = 53,003.46/x
  3. Step 3: Cross multiply
    93,288.02x = 128,740.69 × 53,003.46
  4. Step 4: Simplify right side
    93,288.02x = 6,823,702,012.79
  5. Step 5: Solve for x
    x = 6,823,702,012.79/93,288.02
  6. Step 6: Final answer
    x = 73,146.61

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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.