Home / 112,012.18-154,576.35-61,024.76

Finding the Fourth Proportional to 112,012.18, 154,576.35 and 61,024.76

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Solution

The fourth proportional to 112,012.18, 154,576.35 and 61,024.76 is: 84,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.18 : 154,576.35 = 61,024.76 : x
  2. Step 2: Convert to fraction form
    112,012.18/154,576.35 = 61,024.76/x
  3. Step 3: Cross multiply
    112,012.18x = 154,576.35 × 61,024.76
  4. Step 4: Simplify right side
    112,012.18x = 9,432,983,658.70
  5. Step 5: Solve for x
    x = 9,432,983,658.70/112,012.18
  6. Step 6: Final answer
    x = 84,213.91

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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.