Home / 45,347.51-67,678.35-44,166.53

Finding the Fourth Proportional to 45,347.51, 67,678.35 and 44,166.53

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Solution

The fourth proportional to 45,347.51, 67,678.35 and 44,166.53 is: 65,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.51 : 67,678.35 = 44,166.53 : x
  2. Step 2: Convert to fraction form
    45,347.51/67,678.35 = 44,166.53/x
  3. Step 3: Cross multiply
    45,347.51x = 67,678.35 × 44,166.53
  4. Step 4: Simplify right side
    45,347.51x = 2,989,118,044.82
  5. Step 5: Solve for x
    x = 2,989,118,044.82/45,347.51
  6. Step 6: Final answer
    x = 65,915.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.