Home / 89,833.86-134,852.85-45,510.66

Finding the Fourth Proportional to 89,833.86, 134,852.85 and 45,510.66

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Solution

The fourth proportional to 89,833.86, 134,852.85 and 45,510.66 is: 68,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,833.86 : 134,852.85 = 45,510.66 : x
  2. Step 2: Convert to fraction form
    89,833.86/134,852.85 = 45,510.66/x
  3. Step 3: Cross multiply
    89,833.86x = 134,852.85 × 45,510.66
  4. Step 4: Simplify right side
    89,833.86x = 6,137,242,206.38
  5. Step 5: Solve for x
    x = 6,137,242,206.38/89,833.86
  6. Step 6: Final answer
    x = 68,317.69

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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.