Home / 89,031.18-122,858.37-48,737.23

Finding the Fourth Proportional to 89,031.18, 122,858.37 and 48,737.23

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Solution

The fourth proportional to 89,031.18, 122,858.37 and 48,737.23 is: 67,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.18 : 122,858.37 = 48,737.23 : x
  2. Step 2: Convert to fraction form
    89,031.18/122,858.37 = 48,737.23/x
  3. Step 3: Cross multiply
    89,031.18x = 122,858.37 × 48,737.23
  4. Step 4: Simplify right side
    89,031.18x = 5,987,776,636.12
  5. Step 5: Solve for x
    x = 5,987,776,636.12/89,031.18
  6. Step 6: Final answer
    x = 67,254.83

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1.5x scale

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.