Home / 70,165.23-105,264.27-47,989.05

Finding the Fourth Proportional to 70,165.23, 105,264.27 and 47,989.05

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Solution

The fourth proportional to 70,165.23, 105,264.27 and 47,989.05 is: 71,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.23 : 105,264.27 = 47,989.05 : x
  2. Step 2: Convert to fraction form
    70,165.23/105,264.27 = 47,989.05/x
  3. Step 3: Cross multiply
    70,165.23x = 105,264.27 × 47,989.05
  4. Step 4: Simplify right side
    70,165.23x = 5,051,532,316.24
  5. Step 5: Solve for x
    x = 5,051,532,316.24/70,165.23
  6. Step 6: Final answer
    x = 71,994.81

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1.5x scale

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.