Home / 70,682.22-97,543.58-40,477.32

Finding the Fourth Proportional to 70,682.22, 97,543.58 and 40,477.32

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Solution

The fourth proportional to 70,682.22, 97,543.58 and 40,477.32 is: 55,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,682.22 : 97,543.58 = 40,477.32 : x
  2. Step 2: Convert to fraction form
    70,682.22/97,543.58 = 40,477.32/x
  3. Step 3: Cross multiply
    70,682.22x = 97,543.58 × 40,477.32
  4. Step 4: Simplify right side
    70,682.22x = 3,948,302,499.22
  5. Step 5: Solve for x
    x = 3,948,302,499.22/70,682.22
  6. Step 6: Final answer
    x = 55,859.91

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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.