Home / 101,779.63-140,456.01-59,346.36

Finding the Fourth Proportional to 101,779.63, 140,456.01 and 59,346.36

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Solution

The fourth proportional to 101,779.63, 140,456.01 and 59,346.36 is: 81,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,779.63 : 140,456.01 = 59,346.36 : x
  2. Step 2: Convert to fraction form
    101,779.63/140,456.01 = 59,346.36/x
  3. Step 3: Cross multiply
    101,779.63x = 140,456.01 × 59,346.36
  4. Step 4: Simplify right side
    101,779.63x = 8,335,552,933.62
  5. Step 5: Solve for x
    x = 8,335,552,933.62/101,779.63
  6. Step 6: Final answer
    x = 81,898.05

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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.