Home / 112,551.68-155,324.08-61,569.20

Finding the Fourth Proportional to 112,551.68, 155,324.08 and 61,569.20

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Solution

The fourth proportional to 112,551.68, 155,324.08 and 61,569.20 is: 84,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.68 : 155,324.08 = 61,569.20 : x
  2. Step 2: Convert to fraction form
    112,551.68/155,324.08 = 61,569.20/x
  3. Step 3: Cross multiply
    112,551.68x = 155,324.08 × 61,569.20
  4. Step 4: Simplify right side
    112,551.68x = 9,563,179,346.34
  5. Step 5: Solve for x
    x = 9,563,179,346.34/112,551.68
  6. Step 6: Final answer
    x = 84,967.01

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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.