Home / 81,552.60-112,547.43-45,744.62

Finding the Fourth Proportional to 81,552.60, 112,547.43 and 45,744.62

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Solution

The fourth proportional to 81,552.60, 112,547.43 and 45,744.62 is: 63,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.60 : 112,547.43 = 45,744.62 : x
  2. Step 2: Convert to fraction form
    81,552.60/112,547.43 = 45,744.62/x
  3. Step 3: Cross multiply
    81,552.60x = 112,547.43 × 45,744.62
  4. Step 4: Simplify right side
    81,552.60x = 5,148,438,854.59
  5. Step 5: Solve for x
    x = 5,148,438,854.59/81,552.60
  6. Step 6: Final answer
    x = 63,130.28

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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.