Home / 77,535.36-116,283.60-56,720.52

Finding the Fourth Proportional to 77,535.36, 116,283.60 and 56,720.52

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Solution

The fourth proportional to 77,535.36, 116,283.60 and 56,720.52 is: 85,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,535.36 : 116,283.60 = 56,720.52 : x
  2. Step 2: Convert to fraction form
    77,535.36/116,283.60 = 56,720.52/x
  3. Step 3: Cross multiply
    77,535.36x = 116,283.60 × 56,720.52
  4. Step 4: Simplify right side
    77,535.36x = 6,595,666,259.47
  5. Step 5: Solve for x
    x = 6,595,666,259.47/77,535.36
  6. Step 6: Final answer
    x = 85,066.56

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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.