Home / 97,855.68-135,038.55-57,572.04

Finding the Fourth Proportional to 97,855.68, 135,038.55 and 57,572.04

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Solution

The fourth proportional to 97,855.68, 135,038.55 and 57,572.04 is: 79,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,855.68 : 135,038.55 = 57,572.04 : x
  2. Step 2: Convert to fraction form
    97,855.68/135,038.55 = 57,572.04/x
  3. Step 3: Cross multiply
    97,855.68x = 135,038.55 × 57,572.04
  4. Step 4: Simplify right side
    97,855.68x = 7,774,443,899.28
  5. Step 5: Solve for x
    x = 7,774,443,899.28/97,855.68
  6. Step 6: Final answer
    x = 79,448.06

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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.