Home / 124,430.56-171,709.23-73,459.71

Finding the Fourth Proportional to 124,430.56, 171,709.23 and 73,459.71

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Solution

The fourth proportional to 124,430.56, 171,709.23 and 73,459.71 is: 101,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,430.56 : 171,709.23 = 73,459.71 : x
  2. Step 2: Convert to fraction form
    124,430.56/171,709.23 = 73,459.71/x
  3. Step 3: Cross multiply
    124,430.56x = 171,709.23 × 73,459.71
  4. Step 4: Simplify right side
    124,430.56x = 12,613,710,240.12
  5. Step 5: Solve for x
    x = 12,613,710,240.12/124,430.56
  6. Step 6: Final answer
    x = 101,371.48

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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.