Home / 107,389.58-148,199.45-58,993.55

Finding the Fourth Proportional to 107,389.58, 148,199.45 and 58,993.55

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Solution

The fourth proportional to 107,389.58, 148,199.45 and 58,993.55 is: 81,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,389.58 : 148,199.45 = 58,993.55 : x
  2. Step 2: Convert to fraction form
    107,389.58/148,199.45 = 58,993.55/x
  3. Step 3: Cross multiply
    107,389.58x = 148,199.45 × 58,993.55
  4. Step 4: Simplify right side
    107,389.58x = 8,742,811,070.03
  5. Step 5: Solve for x
    x = 8,742,811,070.03/107,389.58
  6. Step 6: Final answer
    x = 81,412.10

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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.