Home / 112,041.56-154,615.35-61,054.65

Finding the Fourth Proportional to 112,041.56, 154,615.35 and 61,054.65

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Solution

The fourth proportional to 112,041.56, 154,615.35 and 61,054.65 is: 84,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.56 : 154,615.35 = 61,054.65 : x
  2. Step 2: Convert to fraction form
    112,041.56/154,615.35 = 61,054.65/x
  3. Step 3: Cross multiply
    112,041.56x = 154,615.35 × 61,054.65
  4. Step 4: Simplify right side
    112,041.56x = 9,439,986,078.88
  5. Step 5: Solve for x
    x = 9,439,986,078.88/112,041.56
  6. Step 6: Final answer
    x = 84,254.33

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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.