Home / 70,936.89-97,893.57-39,106.93

Finding the Fourth Proportional to 70,936.89, 97,893.57 and 39,106.93

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Solution

The fourth proportional to 70,936.89, 97,893.57 and 39,106.93 is: 53,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.89 : 97,893.57 = 39,106.93 : x
  2. Step 2: Convert to fraction form
    70,936.89/97,893.57 = 39,106.93/x
  3. Step 3: Cross multiply
    70,936.89x = 97,893.57 × 39,106.93
  4. Step 4: Simplify right side
    70,936.89x = 3,828,316,793.91
  5. Step 5: Solve for x
    x = 3,828,316,793.91/70,936.89
  6. Step 6: Final answer
    x = 53,967.93

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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.