Home / 94,190.65-129,977.17-86,667.37

Finding the Fourth Proportional to 94,190.65, 129,977.17 and 86,667.37

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Solution

The fourth proportional to 94,190.65, 129,977.17 and 86,667.37 is: 119,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,190.65 : 129,977.17 = 86,667.37 : x
  2. Step 2: Convert to fraction form
    94,190.65/129,977.17 = 86,667.37/x
  3. Step 3: Cross multiply
    94,190.65x = 129,977.17 × 86,667.37
  4. Step 4: Simplify right side
    94,190.65x = 11,264,779,483.94
  5. Step 5: Solve for x
    x = 11,264,779,483.94/94,190.65
  6. Step 6: Final answer
    x = 119,595.52

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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.