Home / 74,164.02-102,345.33-40,630.26

Finding the Fourth Proportional to 74,164.02, 102,345.33 and 40,630.26

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Solution

The fourth proportional to 74,164.02, 102,345.33 and 40,630.26 is: 56,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.02 : 102,345.33 = 40,630.26 : x
  2. Step 2: Convert to fraction form
    74,164.02/102,345.33 = 40,630.26/x
  3. Step 3: Cross multiply
    74,164.02x = 102,345.33 × 40,630.26
  4. Step 4: Simplify right side
    74,164.02x = 4,158,317,367.69
  5. Step 5: Solve for x
    x = 4,158,317,367.69/74,164.02
  6. Step 6: Final answer
    x = 56,069.20

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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.