Home / 76,250.64-105,223.02-42,258.24

Finding the Fourth Proportional to 76,250.64, 105,223.02 and 42,258.24

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Solution

The fourth proportional to 76,250.64, 105,223.02 and 42,258.24 is: 58,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,250.64 : 105,223.02 = 42,258.24 : x
  2. Step 2: Convert to fraction form
    76,250.64/105,223.02 = 42,258.24/x
  3. Step 3: Cross multiply
    76,250.64x = 105,223.02 × 42,258.24
  4. Step 4: Simplify right side
    76,250.64x = 4,446,539,632.68
  5. Step 5: Solve for x
    x = 4,446,539,632.68/76,250.64
  6. Step 6: Final answer
    x = 58,314.78

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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.