Home / 58,929.42-81,228.18-39,803.19

Finding the Fourth Proportional to 58,929.42, 81,228.18 and 39,803.19

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Solution

The fourth proportional to 58,929.42, 81,228.18 and 39,803.19 is: 54,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,929.42 : 81,228.18 = 39,803.19 : x
  2. Step 2: Convert to fraction form
    58,929.42/81,228.18 = 39,803.19/x
  3. Step 3: Cross multiply
    58,929.42x = 81,228.18 × 39,803.19
  4. Step 4: Simplify right side
    58,929.42x = 3,233,140,681.89
  5. Step 5: Solve for x
    x = 3,233,140,681.89/58,929.42
  6. Step 6: Final answer
    x = 54,864.63

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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.