Home / 76,580.02-114,947.79-48,430.90

Finding the Fourth Proportional to 76,580.02, 114,947.79 and 48,430.90

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Solution

The fourth proportional to 76,580.02, 114,947.79 and 48,430.90 is: 72,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580.02 : 114,947.79 = 48,430.90 : x
  2. Step 2: Convert to fraction form
    76,580.02/114,947.79 = 48,430.90/x
  3. Step 3: Cross multiply
    76,580.02x = 114,947.79 × 48,430.90
  4. Step 4: Simplify right side
    76,580.02x = 5,567,024,922.71
  5. Step 5: Solve for x
    x = 5,567,024,922.71/76,580.02
  6. Step 6: Final answer
    x = 72,695.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.