Home / 97,855.91-135,038.87-57,572.27

Finding the Fourth Proportional to 97,855.91, 135,038.87 and 57,572.27

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Solution

The fourth proportional to 97,855.91, 135,038.87 and 57,572.27 is: 79,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,855.91 : 135,038.87 = 57,572.27 : x
  2. Step 2: Convert to fraction form
    97,855.91/135,038.87 = 57,572.27/x
  3. Step 3: Cross multiply
    97,855.91x = 135,038.87 × 57,572.27
  4. Step 4: Simplify right side
    97,855.91x = 7,774,494,765.66
  5. Step 5: Solve for x
    x = 7,774,494,765.66/97,855.91
  6. Step 6: Final answer
    x = 79,448.39

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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.