Home / 93,340.47-140,057.41-42,739.39

Finding the Fourth Proportional to 93,340.47, 140,057.41 and 42,739.39

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Solution

The fourth proportional to 93,340.47, 140,057.41 and 42,739.39 is: 64,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.47 : 140,057.41 = 42,739.39 : x
  2. Step 2: Convert to fraction form
    93,340.47/140,057.41 = 42,739.39/x
  3. Step 3: Cross multiply
    93,340.47x = 140,057.41 × 42,739.39
  4. Step 4: Simplify right side
    93,340.47x = 5,985,968,268.38
  5. Step 5: Solve for x
    x = 5,985,968,268.38/93,340.47
  6. Step 6: Final answer
    x = 64,130.47

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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.