Home / 106,772.22-147,332.87-59,019.07

Finding the Fourth Proportional to 106,772.22, 147,332.87 and 59,019.07

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Solution

The fourth proportional to 106,772.22, 147,332.87 and 59,019.07 is: 81,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,772.22 : 147,332.87 = 59,019.07 : x
  2. Step 2: Convert to fraction form
    106,772.22/147,332.87 = 59,019.07/x
  3. Step 3: Cross multiply
    106,772.22x = 147,332.87 × 59,019.07
  4. Step 4: Simplify right side
    106,772.22x = 8,695,448,967.83
  5. Step 5: Solve for x
    x = 8,695,448,967.83/106,772.22
  6. Step 6: Final answer
    x = 81,439.24

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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.