Home / 69,776.01-96,293.40-39,973.77

Finding the Fourth Proportional to 69,776.01, 96,293.40 and 39,973.77

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Solution

The fourth proportional to 69,776.01, 96,293.40 and 39,973.77 is: 55,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.01 : 96,293.40 = 39,973.77 : x
  2. Step 2: Convert to fraction form
    69,776.01/96,293.40 = 39,973.77/x
  3. Step 3: Cross multiply
    69,776.01x = 96,293.40 × 39,973.77
  4. Step 4: Simplify right side
    69,776.01x = 3,849,210,224.12
  5. Step 5: Solve for x
    x = 3,849,210,224.12/69,776.01
  6. Step 6: Final answer
    x = 55,165.24

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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.