Home / 106,421.13-146,867.93-58,678.92

Finding the Fourth Proportional to 106,421.13, 146,867.93 and 58,678.92

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Solution

The fourth proportional to 106,421.13, 146,867.93 and 58,678.92 is: 80,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.13 : 146,867.93 = 58,678.92 : x
  2. Step 2: Convert to fraction form
    106,421.13/146,867.93 = 58,678.92/x
  3. Step 3: Cross multiply
    106,421.13x = 146,867.93 × 58,678.92
  4. Step 4: Simplify right side
    106,421.13x = 8,618,051,221.64
  5. Step 5: Solve for x
    x = 8,618,051,221.64/106,421.13
  6. Step 6: Final answer
    x = 80,980.64

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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.