Home / 82,887.04-124,339.38-30,307.96

Finding the Fourth Proportional to 82,887.04, 124,339.38 and 30,307.96

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Solution

The fourth proportional to 82,887.04, 124,339.38 and 30,307.96 is: 45,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.04 : 124,339.38 = 30,307.96 : x
  2. Step 2: Convert to fraction form
    82,887.04/124,339.38 = 30,307.96/x
  3. Step 3: Cross multiply
    82,887.04x = 124,339.38 × 30,307.96
  4. Step 4: Simplify right side
    82,887.04x = 3,768,472,955.46
  5. Step 5: Solve for x
    x = 3,768,472,955.46/82,887.04
  6. Step 6: Final answer
    x = 45,465.17

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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.