Home / 88,645.10-132,856.93-56,970.86

Finding the Fourth Proportional to 88,645.10, 132,856.93 and 56,970.86

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Solution

The fourth proportional to 88,645.10, 132,856.93 and 56,970.86 is: 85,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,645.10 : 132,856.93 = 56,970.86 : x
  2. Step 2: Convert to fraction form
    88,645.10/132,856.93 = 56,970.86/x
  3. Step 3: Cross multiply
    88,645.10x = 132,856.93 × 56,970.86
  4. Step 4: Simplify right side
    88,645.10x = 7,568,973,559.06
  5. Step 5: Solve for x
    x = 7,568,973,559.06/88,645.10
  6. Step 6: Final answer
    x = 85,385.13

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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.