Home / 94,863.48-130,895.82-56,638.50

Finding the Fourth Proportional to 94,863.48, 130,895.82 and 56,638.50

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Solution

The fourth proportional to 94,863.48, 130,895.82 and 56,638.50 is: 78,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,863.48 : 130,895.82 = 56,638.50 : x
  2. Step 2: Convert to fraction form
    94,863.48/130,895.82 = 56,638.50/x
  3. Step 3: Cross multiply
    94,863.48x = 130,895.82 × 56,638.50
  4. Step 4: Simplify right side
    94,863.48x = 7,413,742,901.07
  5. Step 5: Solve for x
    x = 7,413,742,901.07/94,863.48
  6. Step 6: Final answer
    x = 78,151.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.