Home / 74,880.08-112,320.48-30,507.26

Finding the Fourth Proportional to 74,880.08, 112,320.48 and 30,507.26

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Solution

The fourth proportional to 74,880.08, 112,320.48 and 30,507.26 is: 45,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.08 : 112,320.48 = 30,507.26 : x
  2. Step 2: Convert to fraction form
    74,880.08/112,320.48 = 30,507.26/x
  3. Step 3: Cross multiply
    74,880.08x = 112,320.48 × 30,507.26
  4. Step 4: Simplify right side
    74,880.08x = 3,426,590,086.68
  5. Step 5: Solve for x
    x = 3,426,590,086.68/74,880.08
  6. Step 6: Final answer
    x = 45,761.04

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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.