Home / 76,247.96-105,220.89-42,256.32

Finding the Fourth Proportional to 76,247.96, 105,220.89 and 42,256.32

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Solution

The fourth proportional to 76,247.96, 105,220.89 and 42,256.32 is: 58,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,247.96 : 105,220.89 = 42,256.32 : x
  2. Step 2: Convert to fraction form
    76,247.96/105,220.89 = 42,256.32/x
  3. Step 3: Cross multiply
    76,247.96x = 105,220.89 × 42,256.32
  4. Step 4: Simplify right side
    76,247.96x = 4,446,247,598.52
  5. Step 5: Solve for x
    x = 4,446,247,598.52/76,247.96
  6. Step 6: Final answer
    x = 58,313.01

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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.