Home / 106,771.22-147,331.49-59,018.07

Finding the Fourth Proportional to 106,771.22, 147,331.49 and 59,018.07

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Solution

The fourth proportional to 106,771.22, 147,331.49 and 59,018.07 is: 81,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.22 : 147,331.49 = 59,018.07 : x
  2. Step 2: Convert to fraction form
    106,771.22/147,331.49 = 59,018.07/x
  3. Step 3: Cross multiply
    106,771.22x = 147,331.49 × 59,018.07
  4. Step 4: Simplify right side
    106,771.22x = 8,695,220,779.40
  5. Step 5: Solve for x
    x = 8,695,220,779.40/106,771.22
  6. Step 6: Final answer
    x = 81,437.87

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1.5x scale

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.