Home / 74,255.90-102,435.73-53,047.46

Finding the Fourth Proportional to 74,255.90, 102,435.73 and 53,047.46

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Solution

The fourth proportional to 74,255.90, 102,435.73 and 53,047.46 is: 73,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.90 : 102,435.73 = 53,047.46 : x
  2. Step 2: Convert to fraction form
    74,255.90/102,435.73 = 53,047.46/x
  3. Step 3: Cross multiply
    74,255.90x = 102,435.73 × 53,047.46
  4. Step 4: Simplify right side
    74,255.90x = 5,433,955,413.22
  5. Step 5: Solve for x
    x = 5,433,955,413.22/74,255.90
  6. Step 6: Final answer
    x = 73,178.77

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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.