Home / 76,432.20-105,483.06-42,447.24

Finding the Fourth Proportional to 76,432.20, 105,483.06 and 42,447.24

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Solution

The fourth proportional to 76,432.20, 105,483.06 and 42,447.24 is: 58,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,432.20 : 105,483.06 = 42,447.24 : x
  2. Step 2: Convert to fraction form
    76,432.20/105,483.06 = 42,447.24/x
  3. Step 3: Cross multiply
    76,432.20x = 105,483.06 × 42,447.24
  4. Step 4: Simplify right side
    76,432.20x = 4,477,464,763.75
  5. Step 5: Solve for x
    x = 4,477,464,763.75/76,432.20
  6. Step 6: Final answer
    x = 58,580.87

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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.