Home / 108,980.50-163,533.93-45,795.64

Finding the Fourth Proportional to 108,980.50, 163,533.93 and 45,795.64

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Solution

The fourth proportional to 108,980.50, 163,533.93 and 45,795.64 is: 68,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980.50 : 163,533.93 = 45,795.64 : x
  2. Step 2: Convert to fraction form
    108,980.50/163,533.93 = 45,795.64/x
  3. Step 3: Cross multiply
    108,980.50x = 163,533.93 × 45,795.64
  4. Step 4: Simplify right side
    108,980.50x = 7,489,139,939.42
  5. Step 5: Solve for x
    x = 7,489,139,939.42/108,980.50
  6. Step 6: Final answer
    x = 68,720.00

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1.5x scale

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.