Home / 74,864.58-103,330.45-43,051.83

Finding the Fourth Proportional to 74,864.58, 103,330.45 and 43,051.83

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Solution

The fourth proportional to 74,864.58, 103,330.45 and 43,051.83 is: 59,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.58 : 103,330.45 = 43,051.83 : x
  2. Step 2: Convert to fraction form
    74,864.58/103,330.45 = 43,051.83/x
  3. Step 3: Cross multiply
    74,864.58x = 103,330.45 × 43,051.83
  4. Step 4: Simplify right side
    74,864.58x = 4,448,564,967.22
  5. Step 5: Solve for x
    x = 4,448,564,967.22/74,864.58
  6. Step 6: Final answer
    x = 59,421.49

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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.