Home / 70,946.10-97,911.46-39,118.02

Finding the Fourth Proportional to 70,946.10, 97,911.46 and 39,118.02

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Solution

The fourth proportional to 70,946.10, 97,911.46 and 39,118.02 is: 53,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.10 : 97,911.46 = 39,118.02 : x
  2. Step 2: Convert to fraction form
    70,946.10/97,911.46 = 39,118.02/x
  3. Step 3: Cross multiply
    70,946.10x = 97,911.46 × 39,118.02
  4. Step 4: Simplify right side
    70,946.10x = 3,830,102,450.51
  5. Step 5: Solve for x
    x = 3,830,102,450.51/70,946.10
  6. Step 6: Final answer
    x = 53,986.09

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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.