Home / 88,730.45-122,503.29-56,483.27

Finding the Fourth Proportional to 88,730.45, 122,503.29 and 56,483.27

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Solution

The fourth proportional to 88,730.45, 122,503.29 and 56,483.27 is: 77,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.45 : 122,503.29 = 56,483.27 : x
  2. Step 2: Convert to fraction form
    88,730.45/122,503.29 = 56,483.27/x
  3. Step 3: Cross multiply
    88,730.45x = 122,503.29 × 56,483.27
  4. Step 4: Simplify right side
    88,730.45x = 6,919,386,404.96
  5. Step 5: Solve for x
    x = 6,919,386,404.96/88,730.45
  6. Step 6: Final answer
    x = 77,982.10

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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.