Home / 51,980.69-77,931.38-43,068.66

Finding the Fourth Proportional to 51,980.69, 77,931.38 and 43,068.66

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Solution

The fourth proportional to 51,980.69, 77,931.38 and 43,068.66 is: 64,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.69 : 77,931.38 = 43,068.66 : x
  2. Step 2: Convert to fraction form
    51,980.69/77,931.38 = 43,068.66/x
  3. Step 3: Cross multiply
    51,980.69x = 77,931.38 × 43,068.66
  4. Step 4: Simplify right side
    51,980.69x = 3,356,400,216.22
  5. Step 5: Solve for x
    x = 3,356,400,216.22/51,980.69
  6. Step 6: Final answer
    x = 64,570.14

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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.