Home / 112,322.93-155,006.40-61,336.03

Finding the Fourth Proportional to 112,322.93, 155,006.40 and 61,336.03

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Solution

The fourth proportional to 112,322.93, 155,006.40 and 61,336.03 is: 84,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,322.93 : 155,006.40 = 61,336.03 : x
  2. Step 2: Convert to fraction form
    112,322.93/155,006.40 = 61,336.03/x
  3. Step 3: Cross multiply
    112,322.93x = 155,006.40 × 61,336.03
  4. Step 4: Simplify right side
    112,322.93x = 9,507,477,043.09
  5. Step 5: Solve for x
    x = 9,507,477,043.09/112,322.93
  6. Step 6: Final answer
    x = 84,644.13

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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.