Home / 53,975.10-80,962.65-52,938.30

Finding the Fourth Proportional to 53,975.10, 80,962.65 and 52,938.30

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Solution

The fourth proportional to 53,975.10, 80,962.65 and 52,938.30 is: 79,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.10 : 80,962.65 = 52,938.30 : x
  2. Step 2: Convert to fraction form
    53,975.10/80,962.65 = 52,938.30/x
  3. Step 3: Cross multiply
    53,975.10x = 80,962.65 × 52,938.30
  4. Step 4: Simplify right side
    53,975.10x = 4,286,025,054.50
  5. Step 5: Solve for x
    x = 4,286,025,054.50/53,975.10
  6. Step 6: Final answer
    x = 79,407.45

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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.