Home / 75,139.51-103,669.05-43,304.08

Finding the Fourth Proportional to 75,139.51, 103,669.05 and 43,304.08

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Solution

The fourth proportional to 75,139.51, 103,669.05 and 43,304.08 is: 59,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.51 : 103,669.05 = 43,304.08 : x
  2. Step 2: Convert to fraction form
    75,139.51/103,669.05 = 43,304.08/x
  3. Step 3: Cross multiply
    75,139.51x = 103,669.05 × 43,304.08
  4. Step 4: Simplify right side
    75,139.51x = 4,489,292,834.72
  5. Step 5: Solve for x
    x = 4,489,292,834.72/75,139.51
  6. Step 6: Final answer
    x = 59,746.10

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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.