Home / 74,746.65-112,117.55-30,360.27

Finding the Fourth Proportional to 74,746.65, 112,117.55 and 30,360.27

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Solution

The fourth proportional to 74,746.65, 112,117.55 and 30,360.27 is: 45,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.65 : 112,117.55 = 30,360.27 : x
  2. Step 2: Convert to fraction form
    74,746.65/112,117.55 = 30,360.27/x
  3. Step 3: Cross multiply
    74,746.65x = 112,117.55 × 30,360.27
  4. Step 4: Simplify right side
    74,746.65x = 3,403,918,937.94
  5. Step 5: Solve for x
    x = 3,403,918,937.94/74,746.65
  6. Step 6: Final answer
    x = 45,539.42

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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.