Home / 90,929.36-125,482.38-50,646.62

Finding the Fourth Proportional to 90,929.36, 125,482.38 and 50,646.62

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Solution

The fourth proportional to 90,929.36, 125,482.38 and 50,646.62 is: 69,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.36 : 125,482.38 = 50,646.62 : x
  2. Step 2: Convert to fraction form
    90,929.36/125,482.38 = 50,646.62/x
  3. Step 3: Cross multiply
    90,929.36x = 125,482.38 × 50,646.62
  4. Step 4: Simplify right side
    90,929.36x = 6,355,258,416.56
  5. Step 5: Solve for x
    x = 6,355,258,416.56/90,929.36
  6. Step 6: Final answer
    x = 69,892.26

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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.