Home / 124,403.36-171,677.76-73,417.28

Finding the Fourth Proportional to 124,403.36, 171,677.76 and 73,417.28

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Solution

The fourth proportional to 124,403.36, 171,677.76 and 73,417.28 is: 101,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403.36 : 171,677.76 = 73,417.28 : x
  2. Step 2: Convert to fraction form
    124,403.36/171,677.76 = 73,417.28/x
  3. Step 3: Cross multiply
    124,403.36x = 171,677.76 × 73,417.28
  4. Step 4: Simplify right side
    124,403.36x = 12,604,114,175.69
  5. Step 5: Solve for x
    x = 12,604,114,175.69/124,403.36
  6. Step 6: Final answer
    x = 101,316.51

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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.