Home / 282,941.36-424,412.28-72,579.32

Finding the Fourth Proportional to 282,941.36, 424,412.28 and 72,579.32

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Solution

The fourth proportional to 282,941.36, 424,412.28 and 72,579.32 is: 108,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,941.36 : 424,412.28 = 72,579.32 : x
  2. Step 2: Convert to fraction form
    282,941.36/424,412.28 = 72,579.32/x
  3. Step 3: Cross multiply
    282,941.36x = 424,412.28 × 72,579.32
  4. Step 4: Simplify right side
    282,941.36x = 30,803,554,682.05
  5. Step 5: Solve for x
    x = 30,803,554,682.05/282,941.36
  6. Step 6: Final answer
    x = 108,869.04

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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.