Home / 125,649.83-188,483.90-46,764

Finding the Fourth Proportional to 125,649.83, 188,483.90 and 46,764

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Solution

The fourth proportional to 125,649.83, 188,483.90 and 46,764 is: 70,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.83 : 188,483.90 = 46,764 : x
  2. Step 2: Convert to fraction form
    125,649.83/188,483.90 = 46,764/x
  3. Step 3: Cross multiply
    125,649.83x = 188,483.90 × 46,764
  4. Step 4: Simplify right side
    125,649.83x = 8,814,260,865.78
  5. Step 5: Solve for x
    x = 8,814,260,865.78/125,649.83
  6. Step 6: Final answer
    x = 70,149.40

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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.