Home / 76,032.24-105,041.88-58,199.28

Finding the Fourth Proportional to 76,032.24, 105,041.88 and 58,199.28

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Solution

The fourth proportional to 76,032.24, 105,041.88 and 58,199.28 is: 80,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032.24 : 105,041.88 = 58,199.28 : x
  2. Step 2: Convert to fraction form
    76,032.24/105,041.88 = 58,199.28/x
  3. Step 3: Cross multiply
    76,032.24x = 105,041.88 × 58,199.28
  4. Step 4: Simplify right side
    76,032.24x = 6,113,361,785.85
  5. Step 5: Solve for x
    x = 6,113,361,785.85/76,032.24
  6. Step 6: Final answer
    x = 80,404.86

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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.