Home / 79,075.84-109,127.91-43,268.98

Finding the Fourth Proportional to 79,075.84, 109,127.91 and 43,268.98

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Solution

The fourth proportional to 79,075.84, 109,127.91 and 43,268.98 is: 59,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.84 : 109,127.91 = 43,268.98 : x
  2. Step 2: Convert to fraction form
    79,075.84/109,127.91 = 43,268.98/x
  3. Step 3: Cross multiply
    79,075.84x = 109,127.91 × 43,268.98
  4. Step 4: Simplify right side
    79,075.84x = 4,721,853,355.23
  5. Step 5: Solve for x
    x = 4,721,853,355.23/79,075.84
  6. Step 6: Final answer
    x = 59,712.97

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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.