Home / 78,750.24-108,675.84-46,920.48

Finding the Fourth Proportional to 78,750.24, 108,675.84 and 46,920.48

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Solution

The fourth proportional to 78,750.24, 108,675.84 and 46,920.48 is: 64,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,750.24 : 108,675.84 = 46,920.48 : x
  2. Step 2: Convert to fraction form
    78,750.24/108,675.84 = 46,920.48/x
  3. Step 3: Cross multiply
    78,750.24x = 108,675.84 × 46,920.48
  4. Step 4: Simplify right side
    78,750.24x = 5,099,122,577.20
  5. Step 5: Solve for x
    x = 5,099,122,577.20/78,750.24
  6. Step 6: Final answer
    x = 64,750.57

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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.