Home / 93,328.02-128,789.46-53,041.08

Finding the Fourth Proportional to 93,328.02, 128,789.46 and 53,041.08

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Solution

The fourth proportional to 93,328.02, 128,789.46 and 53,041.08 is: 73,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,328.02 : 128,789.46 = 53,041.08 : x
  2. Step 2: Convert to fraction form
    93,328.02/128,789.46 = 53,041.08/x
  3. Step 3: Cross multiply
    93,328.02x = 128,789.46 × 53,041.08
  4. Step 4: Simplify right side
    93,328.02x = 6,831,132,051.02
  5. Step 5: Solve for x
    x = 6,831,132,051.02/93,328.02
  6. Step 6: Final answer
    x = 73,194.87

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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.