Home / 113,726.07-170,308.77-71,501.40

Finding the Fourth Proportional to 113,726.07, 170,308.77 and 71,501.40

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Solution

The fourth proportional to 113,726.07, 170,308.77 and 71,501.40 is: 107,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,726.07 : 170,308.77 = 71,501.40 : x
  2. Step 2: Convert to fraction form
    113,726.07/170,308.77 = 71,501.40/x
  3. Step 3: Cross multiply
    113,726.07x = 170,308.77 × 71,501.40
  4. Step 4: Simplify right side
    113,726.07x = 12,177,315,487.28
  5. Step 5: Solve for x
    x = 12,177,315,487.28/113,726.07
  6. Step 6: Final answer
    x = 107,075.85

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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.