Home / 112,348.11-155,036.89-61,360.03

Finding the Fourth Proportional to 112,348.11, 155,036.89 and 61,360.03

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Solution

The fourth proportional to 112,348.11, 155,036.89 and 61,360.03 is: 84,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,348.11 : 155,036.89 = 61,360.03 : x
  2. Step 2: Convert to fraction form
    112,348.11/155,036.89 = 61,360.03/x
  3. Step 3: Cross multiply
    112,348.11x = 155,036.89 × 61,360.03
  4. Step 4: Simplify right side
    112,348.11x = 9,513,068,146.85
  5. Step 5: Solve for x
    x = 9,513,068,146.85/112,348.11
  6. Step 6: Final answer
    x = 84,674.93

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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.