Home / 124,595.82-186,777.09-69,075.18

Finding the Fourth Proportional to 124,595.82, 186,777.09 and 69,075.18

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Solution

The fourth proportional to 124,595.82, 186,777.09 and 69,075.18 is: 103,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,595.82 : 186,777.09 = 69,075.18 : x
  2. Step 2: Convert to fraction form
    124,595.82/186,777.09 = 69,075.18/x
  3. Step 3: Cross multiply
    124,595.82x = 186,777.09 × 69,075.18
  4. Step 4: Simplify right side
    124,595.82x = 12,901,661,111.63
  5. Step 5: Solve for x
    x = 12,901,661,111.63/124,595.82
  6. Step 6: Final answer
    x = 103,548.11

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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.