Home / 58,518.04-80,810.66-55,330.12

Finding the Fourth Proportional to 58,518.04, 80,810.66 and 55,330.12

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Solution

The fourth proportional to 58,518.04, 80,810.66 and 55,330.12 is: 76,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.04 : 80,810.66 = 55,330.12 : x
  2. Step 2: Convert to fraction form
    58,518.04/80,810.66 = 55,330.12/x
  3. Step 3: Cross multiply
    58,518.04x = 80,810.66 × 55,330.12
  4. Step 4: Simplify right side
    58,518.04x = 4,471,263,515.08
  5. Step 5: Solve for x
    x = 4,471,263,515.08/58,518.04
  6. Step 6: Final answer
    x = 76,408.29

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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.