Home / 77,482.48-106,917-43,486.36

Finding the Fourth Proportional to 77,482.48, 106,917 and 43,486.36

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Solution

The fourth proportional to 77,482.48, 106,917 and 43,486.36 is: 60,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,482.48 : 106,917 = 43,486.36 : x
  2. Step 2: Convert to fraction form
    77,482.48/106,917 = 43,486.36/x
  3. Step 3: Cross multiply
    77,482.48x = 106,917 × 43,486.36
  4. Step 4: Simplify right side
    77,482.48x = 4,649,431,152.12
  5. Step 5: Solve for x
    x = 4,649,431,152.12/77,482.48
  6. Step 6: Final answer
    x = 60,006.23

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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.