Home / 107,086.23-147,779.87-59,340.38

Finding the Fourth Proportional to 107,086.23, 147,779.87 and 59,340.38

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Solution

The fourth proportional to 107,086.23, 147,779.87 and 59,340.38 is: 81,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,086.23 : 147,779.87 = 59,340.38 : x
  2. Step 2: Convert to fraction form
    107,086.23/147,779.87 = 59,340.38/x
  3. Step 3: Cross multiply
    107,086.23x = 147,779.87 × 59,340.38
  4. Step 4: Simplify right side
    107,086.23x = 8,769,312,903.25
  5. Step 5: Solve for x
    x = 8,769,312,903.25/107,086.23
  6. Step 6: Final answer
    x = 81,890.20

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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.