Home / 79,421.18-109,594.08-43,610.40

Finding the Fourth Proportional to 79,421.18, 109,594.08 and 43,610.40

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Solution

The fourth proportional to 79,421.18, 109,594.08 and 43,610.40 is: 60,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.18 : 109,594.08 = 43,610.40 : x
  2. Step 2: Convert to fraction form
    79,421.18/109,594.08 = 43,610.40/x
  3. Step 3: Cross multiply
    79,421.18x = 109,594.08 × 43,610.40
  4. Step 4: Simplify right side
    79,421.18x = 4,779,441,666.43
  5. Step 5: Solve for x
    x = 4,779,441,666.43/79,421.18
  6. Step 6: Final answer
    x = 60,178.43

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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.