Home / 75,114.37-103,657.60-43,283.20

Finding the Fourth Proportional to 75,114.37, 103,657.60 and 43,283.20

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Solution

The fourth proportional to 75,114.37, 103,657.60 and 43,283.20 is: 59,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.37 : 103,657.60 = 43,283.20 : x
  2. Step 2: Convert to fraction form
    75,114.37/103,657.60 = 43,283.20/x
  3. Step 3: Cross multiply
    75,114.37x = 103,657.60 × 43,283.20
  4. Step 4: Simplify right side
    75,114.37x = 4,486,632,632.32
  5. Step 5: Solve for x
    x = 4,486,632,632.32/75,114.37
  6. Step 6: Final answer
    x = 59,730.68

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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.