Home / 76,241.18-105,211.23-42,249.35

Finding the Fourth Proportional to 76,241.18, 105,211.23 and 42,249.35

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Solution

The fourth proportional to 76,241.18, 105,211.23 and 42,249.35 is: 58,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,241.18 : 105,211.23 = 42,249.35 : x
  2. Step 2: Convert to fraction form
    76,241.18/105,211.23 = 42,249.35/x
  3. Step 3: Cross multiply
    76,241.18x = 105,211.23 × 42,249.35
  4. Step 4: Simplify right side
    76,241.18x = 4,445,106,080.20
  5. Step 5: Solve for x
    x = 4,445,106,080.20/76,241.18
  6. Step 6: Final answer
    x = 58,303.22

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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.