Home / 103,398.13-154,986.90-58,929.13

Finding the Fourth Proportional to 103,398.13, 154,986.90 and 58,929.13

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Solution

The fourth proportional to 103,398.13, 154,986.90 and 58,929.13 is: 88,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,398.13 : 154,986.90 = 58,929.13 : x
  2. Step 2: Convert to fraction form
    103,398.13/154,986.90 = 58,929.13/x
  3. Step 3: Cross multiply
    103,398.13x = 154,986.90 × 58,929.13
  4. Step 4: Simplify right side
    103,398.13x = 9,133,243,178.40
  5. Step 5: Solve for x
    x = 9,133,243,178.40/103,398.13
  6. Step 6: Final answer
    x = 88,330.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.