Home / 72,256.59-99,741.78-48,374.55

Finding the Fourth Proportional to 72,256.59, 99,741.78 and 48,374.55

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Solution

The fourth proportional to 72,256.59, 99,741.78 and 48,374.55 is: 66,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256.59 : 99,741.78 = 48,374.55 : x
  2. Step 2: Convert to fraction form
    72,256.59/99,741.78 = 48,374.55/x
  3. Step 3: Cross multiply
    72,256.59x = 99,741.78 × 48,374.55
  4. Step 4: Simplify right side
    72,256.59x = 4,824,963,723.70
  5. Step 5: Solve for x
    x = 4,824,963,723.70/72,256.59
  6. Step 6: Final answer
    x = 66,775.41

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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.