Home / 106,816.60-147,407.36-58,419.48

Finding the Fourth Proportional to 106,816.60, 147,407.36 and 58,419.48

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Solution

The fourth proportional to 106,816.60, 147,407.36 and 58,419.48 is: 80,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,816.60 : 147,407.36 = 58,419.48 : x
  2. Step 2: Convert to fraction form
    106,816.60/147,407.36 = 58,419.48/x
  3. Step 3: Cross multiply
    106,816.60x = 147,407.36 × 58,419.48
  4. Step 4: Simplify right side
    106,816.60x = 8,611,461,319.37
  5. Step 5: Solve for x
    x = 8,611,461,319.37/106,816.60
  6. Step 6: Final answer
    x = 80,619.13

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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.