Home / 112,055.40-167,852.70-77,034.60

Finding the Fourth Proportional to 112,055.40, 167,852.70 and 77,034.60

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Solution

The fourth proportional to 112,055.40, 167,852.70 and 77,034.60 is: 115,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,055.40 : 167,852.70 = 77,034.60 : x
  2. Step 2: Convert to fraction form
    112,055.40/167,852.70 = 77,034.60/x
  3. Step 3: Cross multiply
    112,055.40x = 167,852.70 × 77,034.60
  4. Step 4: Simplify right side
    112,055.40x = 12,930,465,603.42
  5. Step 5: Solve for x
    x = 12,930,465,603.42/112,055.40
  6. Step 6: Final answer
    x = 115,393.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.