Home / 75,161.24-103,582.56-61,653.77

Finding the Fourth Proportional to 75,161.24, 103,582.56 and 61,653.77

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Solution

The fourth proportional to 75,161.24, 103,582.56 and 61,653.77 is: 84,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.24 : 103,582.56 = 61,653.77 : x
  2. Step 2: Convert to fraction form
    75,161.24/103,582.56 = 61,653.77/x
  3. Step 3: Cross multiply
    75,161.24x = 103,582.56 × 61,653.77
  4. Step 4: Simplify right side
    75,161.24x = 6,386,255,330.25
  5. Step 5: Solve for x
    x = 6,386,255,330.25/75,161.24
  6. Step 6: Final answer
    x = 84,967.40

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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.