Home / 51,303.66-76,954.64-42,520.02

Finding the Fourth Proportional to 51,303.66, 76,954.64 and 42,520.02

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Solution

The fourth proportional to 51,303.66, 76,954.64 and 42,520.02 is: 63,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.66 : 76,954.64 = 42,520.02 : x
  2. Step 2: Convert to fraction form
    51,303.66/76,954.64 = 42,520.02/x
  3. Step 3: Cross multiply
    51,303.66x = 76,954.64 × 42,520.02
  4. Step 4: Simplify right side
    51,303.66x = 3,272,112,831.89
  5. Step 5: Solve for x
    x = 3,272,112,831.89/51,303.66
  6. Step 6: Final answer
    x = 63,779.33

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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.