Home / 123,588.03-185,389.28-47,686.98

Finding the Fourth Proportional to 123,588.03, 185,389.28 and 47,686.98

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Solution

The fourth proportional to 123,588.03, 185,389.28 and 47,686.98 is: 71,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,588.03 : 185,389.28 = 47,686.98 : x
  2. Step 2: Convert to fraction form
    123,588.03/185,389.28 = 47,686.98/x
  3. Step 3: Cross multiply
    123,588.03x = 185,389.28 × 47,686.98
  4. Step 4: Simplify right side
    123,588.03x = 8,840,654,719.17
  5. Step 5: Solve for x
    x = 8,840,654,719.17/123,588.03
  6. Step 6: Final answer
    x = 71,533.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.