Home / 74,852.32-112,180.06-35,420.72

Finding the Fourth Proportional to 74,852.32, 112,180.06 and 35,420.72

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Solution

The fourth proportional to 74,852.32, 112,180.06 and 35,420.72 is: 53,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,852.32 : 112,180.06 = 35,420.72 : x
  2. Step 2: Convert to fraction form
    74,852.32/112,180.06 = 35,420.72/x
  3. Step 3: Cross multiply
    74,852.32x = 112,180.06 × 35,420.72
  4. Step 4: Simplify right side
    74,852.32x = 3,973,498,494.84
  5. Step 5: Solve for x
    x = 3,973,498,494.84/74,852.32
  6. Step 6: Final answer
    x = 53,084.51

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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.