Home / 127,055.63-190,587.39-47,113.49

Finding the Fourth Proportional to 127,055.63, 190,587.39 and 47,113.49

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Solution

The fourth proportional to 127,055.63, 190,587.39 and 47,113.49 is: 70,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,055.63 : 190,587.39 = 47,113.49 : x
  2. Step 2: Convert to fraction form
    127,055.63/190,587.39 = 47,113.49/x
  3. Step 3: Cross multiply
    127,055.63x = 190,587.39 × 47,113.49
  4. Step 4: Simplify right side
    127,055.63x = 8,979,236,139.95
  5. Step 5: Solve for x
    x = 8,979,236,139.95/127,055.63
  6. Step 6: Final answer
    x = 70,671.69

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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.