Home / 70,941.89-97,904.22-39,110.74

Finding the Fourth Proportional to 70,941.89, 97,904.22 and 39,110.74

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Solution

The fourth proportional to 70,941.89, 97,904.22 and 39,110.74 is: 53,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.89 : 97,904.22 = 39,110.74 : x
  2. Step 2: Convert to fraction form
    70,941.89/97,904.22 = 39,110.74/x
  3. Step 3: Cross multiply
    70,941.89x = 97,904.22 × 39,110.74
  4. Step 4: Simplify right side
    70,941.89x = 3,829,106,493.32
  5. Step 5: Solve for x
    x = 3,829,106,493.32/70,941.89
  6. Step 6: Final answer
    x = 53,975.25

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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.