Home / 76,913.16-106,188.21-58,973.69

Finding the Fourth Proportional to 76,913.16, 106,188.21 and 58,973.69

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Solution

The fourth proportional to 76,913.16, 106,188.21 and 58,973.69 is: 81,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,913.16 : 106,188.21 = 58,973.69 : x
  2. Step 2: Convert to fraction form
    76,913.16/106,188.21 = 58,973.69/x
  3. Step 3: Cross multiply
    76,913.16x = 106,188.21 × 58,973.69
  4. Step 4: Simplify right side
    76,913.16x = 6,262,310,047.25
  5. Step 5: Solve for x
    x = 6,262,310,047.25/76,913.16
  6. Step 6: Final answer
    x = 81,420.53

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1.5x scale

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.