Home / 81,552.26-112,547.74-45,744.60

Finding the Fourth Proportional to 81,552.26, 112,547.74 and 45,744.60

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Solution

The fourth proportional to 81,552.26, 112,547.74 and 45,744.60 is: 63,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.26 : 112,547.74 = 45,744.60 : x
  2. Step 2: Convert to fraction form
    81,552.26/112,547.74 = 45,744.60/x
  3. Step 3: Cross multiply
    81,552.26x = 112,547.74 × 45,744.60
  4. Step 4: Simplify right side
    81,552.26x = 5,148,451,347.20
  5. Step 5: Solve for x
    x = 5,148,451,347.20/81,552.26
  6. Step 6: Final answer
    x = 63,130.70

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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.