Home / 74,783.66-112,196.69-30,442.24

Finding the Fourth Proportional to 74,783.66, 112,196.69 and 30,442.24

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Solution

The fourth proportional to 74,783.66, 112,196.69 and 30,442.24 is: 45,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.66 : 112,196.69 = 30,442.24 : x
  2. Step 2: Convert to fraction form
    74,783.66/112,196.69 = 30,442.24/x
  3. Step 3: Cross multiply
    74,783.66x = 112,196.69 × 30,442.24
  4. Step 4: Simplify right side
    74,783.66x = 3,415,518,564.19
  5. Step 5: Solve for x
    x = 3,415,518,564.19/74,783.66
  6. Step 6: Final answer
    x = 45,671.99

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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.