Home / 112,029.21-154,604.01-61,045.98

Finding the Fourth Proportional to 112,029.21, 154,604.01 and 61,045.98

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Solution

The fourth proportional to 112,029.21, 154,604.01 and 61,045.98 is: 84,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.21 : 154,604.01 = 61,045.98 : x
  2. Step 2: Convert to fraction form
    112,029.21/154,604.01 = 61,045.98/x
  3. Step 3: Cross multiply
    112,029.21x = 154,604.01 × 61,045.98
  4. Step 4: Simplify right side
    112,029.21x = 9,437,953,302.38
  5. Step 5: Solve for x
    x = 9,437,953,302.38/112,029.21
  6. Step 6: Final answer
    x = 84,245.47

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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.