Home / 70,890.29-97,828.52-39,059.18

Finding the Fourth Proportional to 70,890.29, 97,828.52 and 39,059.18

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Solution

The fourth proportional to 70,890.29, 97,828.52 and 39,059.18 is: 53,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.29 : 97,828.52 = 39,059.18 : x
  2. Step 2: Convert to fraction form
    70,890.29/97,828.52 = 39,059.18/x
  3. Step 3: Cross multiply
    70,890.29x = 97,828.52 × 39,059.18
  4. Step 4: Simplify right side
    70,890.29x = 3,821,102,114.03
  5. Step 5: Solve for x
    x = 3,821,102,114.03/70,890.29
  6. Step 6: Final answer
    x = 53,901.63

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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.