Home / 77,073.81-106,375.39-44,818.40

Finding the Fourth Proportional to 77,073.81, 106,375.39 and 44,818.40

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Solution

The fourth proportional to 77,073.81, 106,375.39 and 44,818.40 is: 61,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,073.81 : 106,375.39 = 44,818.40 : x
  2. Step 2: Convert to fraction form
    77,073.81/106,375.39 = 44,818.40/x
  3. Step 3: Cross multiply
    77,073.81x = 106,375.39 × 44,818.40
  4. Step 4: Simplify right side
    77,073.81x = 4,767,574,779.18
  5. Step 5: Solve for x
    x = 4,767,574,779.18/77,073.81
  6. Step 6: Final answer
    x = 61,857.26

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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.