Home / 125,622.90-188,434.35-46,720.80

Finding the Fourth Proportional to 125,622.90, 188,434.35 and 46,720.80

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Solution

The fourth proportional to 125,622.90, 188,434.35 and 46,720.80 is: 70,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.90 : 188,434.35 = 46,720.80 : x
  2. Step 2: Convert to fraction form
    125,622.90/188,434.35 = 46,720.80/x
  3. Step 3: Cross multiply
    125,622.90x = 188,434.35 × 46,720.80
  4. Step 4: Simplify right side
    125,622.90x = 8,803,803,579.48
  5. Step 5: Solve for x
    x = 8,803,803,579.48/125,622.90
  6. Step 6: Final answer
    x = 70,081.20

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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.