Home / 53,999.76-74,592.32-48,969.64

Finding the Fourth Proportional to 53,999.76, 74,592.32 and 48,969.64

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Solution

The fourth proportional to 53,999.76, 74,592.32 and 48,969.64 is: 67,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.76 : 74,592.32 = 48,969.64 : x
  2. Step 2: Convert to fraction form
    53,999.76/74,592.32 = 48,969.64/x
  3. Step 3: Cross multiply
    53,999.76x = 74,592.32 × 48,969.64
  4. Step 4: Simplify right side
    53,999.76x = 3,652,759,057.16
  5. Step 5: Solve for x
    x = 3,652,759,057.16/53,999.76
  6. Step 6: Final answer
    x = 67,643.99

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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.