Home / 58,521.04-80,814.80-55,333.12

Finding the Fourth Proportional to 58,521.04, 80,814.80 and 55,333.12

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Solution

The fourth proportional to 58,521.04, 80,814.80 and 55,333.12 is: 76,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.04 : 80,814.80 = 55,333.12 : x
  2. Step 2: Convert to fraction form
    58,521.04/80,814.80 = 55,333.12/x
  3. Step 3: Cross multiply
    58,521.04x = 80,814.80 × 55,333.12
  4. Step 4: Simplify right side
    58,521.04x = 4,471,735,026.18
  5. Step 5: Solve for x
    x = 4,471,735,026.18/58,521.04
  6. Step 6: Final answer
    x = 76,412.43

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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.