Home / 124,564.63-171,810.62-83,150.77

Finding the Fourth Proportional to 124,564.63, 171,810.62 and 83,150.77

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Solution

The fourth proportional to 124,564.63, 171,810.62 and 83,150.77 is: 114,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,564.63 : 171,810.62 = 83,150.77 : x
  2. Step 2: Convert to fraction form
    124,564.63/171,810.62 = 83,150.77/x
  3. Step 3: Cross multiply
    124,564.63x = 171,810.62 × 83,150.77
  4. Step 4: Simplify right side
    124,564.63x = 14,286,184,488.12
  5. Step 5: Solve for x
    x = 14,286,184,488.12/124,564.63
  6. Step 6: Final answer
    x = 114,688.94

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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.