Home / 71,448.52-98,485.32-56,316.64

Finding the Fourth Proportional to 71,448.52, 98,485.32 and 56,316.64

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Solution

The fourth proportional to 71,448.52, 98,485.32 and 56,316.64 is: 77,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.52 : 98,485.32 = 56,316.64 : x
  2. Step 2: Convert to fraction form
    71,448.52/98,485.32 = 56,316.64/x
  3. Step 3: Cross multiply
    71,448.52x = 98,485.32 × 56,316.64
  4. Step 4: Simplify right side
    71,448.52x = 5,546,362,311.72
  5. Step 5: Solve for x
    x = 5,546,362,311.72/71,448.52
  6. Step 6: Final answer
    x = 77,627.39

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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.