Home / 58,370.84-80,877.10-57,109.66

Finding the Fourth Proportional to 58,370.84, 80,877.10 and 57,109.66

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Solution

The fourth proportional to 58,370.84, 80,877.10 and 57,109.66 is: 79,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,370.84 : 80,877.10 = 57,109.66 : x
  2. Step 2: Convert to fraction form
    58,370.84/80,877.10 = 57,109.66/x
  3. Step 3: Cross multiply
    58,370.84x = 80,877.10 × 57,109.66
  4. Step 4: Simplify right side
    58,370.84x = 4,618,863,682.79
  5. Step 5: Solve for x
    x = 4,618,863,682.79/58,370.84
  6. Step 6: Final answer
    x = 79,129.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.