Home / 90,328.96-124,658.34-54,518.32

Finding the Fourth Proportional to 90,328.96, 124,658.34 and 54,518.32

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Solution

The fourth proportional to 90,328.96, 124,658.34 and 54,518.32 is: 75,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328.96 : 124,658.34 = 54,518.32 : x
  2. Step 2: Convert to fraction form
    90,328.96/124,658.34 = 54,518.32/x
  3. Step 3: Cross multiply
    90,328.96x = 124,658.34 × 54,518.32
  4. Step 4: Simplify right side
    90,328.96x = 6,796,163,270.79
  5. Step 5: Solve for x
    x = 6,796,163,270.79/90,328.96
  6. Step 6: Final answer
    x = 75,237.92

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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.