Home / 69,021.60-103,532.40-52,637.60

Finding the Fourth Proportional to 69,021.60, 103,532.40 and 52,637.60

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Solution

The fourth proportional to 69,021.60, 103,532.40 and 52,637.60 is: 78,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.60 : 103,532.40 = 52,637.60 : x
  2. Step 2: Convert to fraction form
    69,021.60/103,532.40 = 52,637.60/x
  3. Step 3: Cross multiply
    69,021.60x = 103,532.40 × 52,637.60
  4. Step 4: Simplify right side
    69,021.60x = 5,449,697,058.24
  5. Step 5: Solve for x
    x = 5,449,697,058.24/69,021.60
  6. Step 6: Final answer
    x = 78,956.40

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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.