Home / 78,799.10-108,738.51-44,802.90

Finding the Fourth Proportional to 78,799.10, 108,738.51 and 44,802.90

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Solution

The fourth proportional to 78,799.10, 108,738.51 and 44,802.90 is: 61,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,799.10 : 108,738.51 = 44,802.90 : x
  2. Step 2: Convert to fraction form
    78,799.10/108,738.51 = 44,802.90/x
  3. Step 3: Cross multiply
    78,799.10x = 108,738.51 × 44,802.90
  4. Step 4: Simplify right side
    78,799.10x = 4,871,800,045.99
  5. Step 5: Solve for x
    x = 4,871,800,045.99/78,799.10
  6. Step 6: Final answer
    x = 61,825.58

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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.