Home / 112,030.68-154,595.34-61,729.68

Finding the Fourth Proportional to 112,030.68, 154,595.34 and 61,729.68

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Solution

The fourth proportional to 112,030.68, 154,595.34 and 61,729.68 is: 85,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.68 : 154,595.34 = 61,729.68 : x
  2. Step 2: Convert to fraction form
    112,030.68/154,595.34 = 61,729.68/x
  3. Step 3: Cross multiply
    112,030.68x = 154,595.34 × 61,729.68
  4. Step 4: Simplify right side
    112,030.68x = 9,543,120,867.69
  5. Step 5: Solve for x
    x = 9,543,120,867.69/112,030.68
  6. Step 6: Final answer
    x = 85,183.10

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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.