Home / 53,943.54-74,442.34-30,070.60

Finding the Fourth Proportional to 53,943.54, 74,442.34 and 30,070.60

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Solution

The fourth proportional to 53,943.54, 74,442.34 and 30,070.60 is: 41,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.54 : 74,442.34 = 30,070.60 : x
  2. Step 2: Convert to fraction form
    53,943.54/74,442.34 = 30,070.60/x
  3. Step 3: Cross multiply
    53,943.54x = 74,442.34 × 30,070.60
  4. Step 4: Simplify right side
    53,943.54x = 2,238,525,829.20
  5. Step 5: Solve for x
    x = 2,238,525,829.20/53,943.54
  6. Step 6: Final answer
    x = 41,497.57

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1.5x scale

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.