Home / 112,077.25-154,666.61-61,777.33

Finding the Fourth Proportional to 112,077.25, 154,666.61 and 61,777.33

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Solution

The fourth proportional to 112,077.25, 154,666.61 and 61,777.33 is: 85,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.25 : 154,666.61 = 61,777.33 : x
  2. Step 2: Convert to fraction form
    112,077.25/154,666.61 = 61,777.33/x
  3. Step 3: Cross multiply
    112,077.25x = 154,666.61 × 61,777.33
  4. Step 4: Simplify right side
    112,077.25x = 9,554,889,897.06
  5. Step 5: Solve for x
    x = 9,554,889,897.06/112,077.25
  6. Step 6: Final answer
    x = 85,252.72

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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.