Home / 63,430.89-87,451.65-54,573.54

Finding the Fourth Proportional to 63,430.89, 87,451.65 and 54,573.54

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Solution

The fourth proportional to 63,430.89, 87,451.65 and 54,573.54 is: 75,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.89 : 87,451.65 = 54,573.54 : x
  2. Step 2: Convert to fraction form
    63,430.89/87,451.65 = 54,573.54/x
  3. Step 3: Cross multiply
    63,430.89x = 87,451.65 × 54,573.54
  4. Step 4: Simplify right side
    63,430.89x = 4,772,546,119.34
  5. Step 5: Solve for x
    x = 4,772,546,119.34/63,430.89
  6. Step 6: Final answer
    x = 75,240.09

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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.