Home / 76,522.32-105,600.24-42,988.32

Finding the Fourth Proportional to 76,522.32, 105,600.24 and 42,988.32

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Solution

The fourth proportional to 76,522.32, 105,600.24 and 42,988.32 is: 59,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,522.32 : 105,600.24 = 42,988.32 : x
  2. Step 2: Convert to fraction form
    76,522.32/105,600.24 = 42,988.32/x
  3. Step 3: Cross multiply
    76,522.32x = 105,600.24 × 42,988.32
  4. Step 4: Simplify right side
    76,522.32x = 4,539,576,909.20
  5. Step 5: Solve for x
    x = 4,539,576,909.20/76,522.32
  6. Step 6: Final answer
    x = 59,323.57

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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.