Home / 70,861.06-97,788.36-39,030.04

Finding the Fourth Proportional to 70,861.06, 97,788.36 and 39,030.04

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Solution

The fourth proportional to 70,861.06, 97,788.36 and 39,030.04 is: 53,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861.06 : 97,788.36 = 39,030.04 : x
  2. Step 2: Convert to fraction form
    70,861.06/97,788.36 = 39,030.04/x
  3. Step 3: Cross multiply
    70,861.06x = 97,788.36 × 39,030.04
  4. Step 4: Simplify right side
    70,861.06x = 3,816,683,602.33
  5. Step 5: Solve for x
    x = 3,816,683,602.33/70,861.06
  6. Step 6: Final answer
    x = 53,861.51

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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.