Home / 77,319.02-106,698.43-45,489.96

Finding the Fourth Proportional to 77,319.02, 106,698.43 and 45,489.96

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Solution

The fourth proportional to 77,319.02, 106,698.43 and 45,489.96 is: 62,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.02 : 106,698.43 = 45,489.96 : x
  2. Step 2: Convert to fraction form
    77,319.02/106,698.43 = 45,489.96/x
  3. Step 3: Cross multiply
    77,319.02x = 106,698.43 × 45,489.96
  4. Step 4: Simplify right side
    77,319.02x = 4,853,707,312.76
  5. Step 5: Solve for x
    x = 4,853,707,312.76/77,319.02
  6. Step 6: Final answer
    x = 62,775.08

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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.