Home / 124,606.50-171,897.09-81,567.02

Finding the Fourth Proportional to 124,606.50, 171,897.09 and 81,567.02

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Solution

The fourth proportional to 124,606.50, 171,897.09 and 81,567.02 is: 112,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606.50 : 171,897.09 = 81,567.02 : x
  2. Step 2: Convert to fraction form
    124,606.50/171,897.09 = 81,567.02/x
  3. Step 3: Cross multiply
    124,606.50x = 171,897.09 × 81,567.02
  4. Step 4: Simplify right side
    124,606.50x = 14,021,132,518.49
  5. Step 5: Solve for x
    x = 14,021,132,518.49/124,606.50
  6. Step 6: Final answer
    x = 112,523.28

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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.