Home / 93,759.09-129,390.65-51,317.61

Finding the Fourth Proportional to 93,759.09, 129,390.65 and 51,317.61

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Solution

The fourth proportional to 93,759.09, 129,390.65 and 51,317.61 is: 70,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,759.09 : 129,390.65 = 51,317.61 : x
  2. Step 2: Convert to fraction form
    93,759.09/129,390.65 = 51,317.61/x
  3. Step 3: Cross multiply
    93,759.09x = 129,390.65 × 51,317.61
  4. Step 4: Simplify right side
    93,759.09x = 6,640,018,657.76
  5. Step 5: Solve for x
    x = 6,640,018,657.76/93,759.09
  6. Step 6: Final answer
    x = 70,820.00

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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.