Home / 90,607.98-125,038.68-50,320.74

Finding the Fourth Proportional to 90,607.98, 125,038.68 and 50,320.74

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Solution

The fourth proportional to 90,607.98, 125,038.68 and 50,320.74 is: 69,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.98 : 125,038.68 = 50,320.74 : x
  2. Step 2: Convert to fraction form
    90,607.98/125,038.68 = 50,320.74/x
  3. Step 3: Cross multiply
    90,607.98x = 125,038.68 × 50,320.74
  4. Step 4: Simplify right side
    90,607.98x = 6,292,038,906.22
  5. Step 5: Solve for x
    x = 6,292,038,906.22/90,607.98
  6. Step 6: Final answer
    x = 69,442.44

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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.