Home / 112,031.02-154,595.55-61,730.02

Finding the Fourth Proportional to 112,031.02, 154,595.55 and 61,730.02

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Solution

The fourth proportional to 112,031.02, 154,595.55 and 61,730.02 is: 85,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.02 : 154,595.55 = 61,730.02 : x
  2. Step 2: Convert to fraction form
    112,031.02/154,595.55 = 61,730.02/x
  3. Step 3: Cross multiply
    112,031.02x = 154,595.55 × 61,730.02
  4. Step 4: Simplify right side
    112,031.02x = 9,543,186,393.41
  5. Step 5: Solve for x
    x = 9,543,186,393.41/112,031.02
  6. Step 6: Final answer
    x = 85,183.43

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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.