Home / 77,323.80-106,758.24-59,386.75

Finding the Fourth Proportional to 77,323.80, 106,758.24 and 59,386.75

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Solution

The fourth proportional to 77,323.80, 106,758.24 and 59,386.75 is: 81,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323.80 : 106,758.24 = 59,386.75 : x
  2. Step 2: Convert to fraction form
    77,323.80/106,758.24 = 59,386.75/x
  3. Step 3: Cross multiply
    77,323.80x = 106,758.24 × 59,386.75
  4. Step 4: Simplify right side
    77,323.80x = 6,340,024,909.32
  5. Step 5: Solve for x
    x = 6,340,024,909.32/77,323.80
  6. Step 6: Final answer
    x = 81,993.19

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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.