Home / 74,390.07-112,096.49-61,530.51

Finding the Fourth Proportional to 74,390.07, 112,096.49 and 61,530.51

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Solution

The fourth proportional to 74,390.07, 112,096.49 and 61,530.51 is: 92,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390.07 : 112,096.49 = 61,530.51 : x
  2. Step 2: Convert to fraction form
    74,390.07/112,096.49 = 61,530.51/x
  3. Step 3: Cross multiply
    74,390.07x = 112,096.49 × 61,530.51
  4. Step 4: Simplify right side
    74,390.07x = 6,897,354,352.74
  5. Step 5: Solve for x
    x = 6,897,354,352.74/74,390.07
  6. Step 6: Final answer
    x = 92,718.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.