Home / 70,846.40-97,771.04-40,640.24

Finding the Fourth Proportional to 70,846.40, 97,771.04 and 40,640.24

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Solution

The fourth proportional to 70,846.40, 97,771.04 and 40,640.24 is: 56,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.40 : 97,771.04 = 40,640.24 : x
  2. Step 2: Convert to fraction form
    70,846.40/97,771.04 = 40,640.24/x
  3. Step 3: Cross multiply
    70,846.40x = 97,771.04 × 40,640.24
  4. Step 4: Simplify right side
    70,846.40x = 3,973,438,530.65
  5. Step 5: Solve for x
    x = 3,973,438,530.65/70,846.40
  6. Step 6: Final answer
    x = 56,085.26

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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.