Home / 77,304.09-106,700.64-45,483.24

Finding the Fourth Proportional to 77,304.09, 106,700.64 and 45,483.24

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Solution

The fourth proportional to 77,304.09, 106,700.64 and 45,483.24 is: 62,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,304.09 : 106,700.64 = 45,483.24 : x
  2. Step 2: Convert to fraction form
    77,304.09/106,700.64 = 45,483.24/x
  3. Step 3: Cross multiply
    77,304.09x = 106,700.64 × 45,483.24
  4. Step 4: Simplify right side
    77,304.09x = 4,853,090,817.27
  5. Step 5: Solve for x
    x = 4,853,090,817.27/77,304.09
  6. Step 6: Final answer
    x = 62,779.22

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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.