Home / 77,621.29-116,395.07-35,488.87

Finding the Fourth Proportional to 77,621.29, 116,395.07 and 35,488.87

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Solution

The fourth proportional to 77,621.29, 116,395.07 and 35,488.87 is: 53,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,621.29 : 116,395.07 = 35,488.87 : x
  2. Step 2: Convert to fraction form
    77,621.29/116,395.07 = 35,488.87/x
  3. Step 3: Cross multiply
    77,621.29x = 116,395.07 × 35,488.87
  4. Step 4: Simplify right side
    77,621.29x = 4,130,728,925.90
  5. Step 5: Solve for x
    x = 4,130,728,925.90/77,621.29
  6. Step 6: Final answer
    x = 53,216.45

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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.