Home / 53,962.60-80,943.90-52,148.20

Finding the Fourth Proportional to 53,962.60, 80,943.90 and 52,148.20

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Solution

The fourth proportional to 53,962.60, 80,943.90 and 52,148.20 is: 78,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.60 : 80,943.90 = 52,148.20 : x
  2. Step 2: Convert to fraction form
    53,962.60/80,943.90 = 52,148.20/x
  3. Step 3: Cross multiply
    53,962.60x = 80,943.90 × 52,148.20
  4. Step 4: Simplify right side
    53,962.60x = 4,221,078,685.98
  5. Step 5: Solve for x
    x = 4,221,078,685.98/53,962.60
  6. Step 6: Final answer
    x = 78,222.30

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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.