Home / 98,475.44-135,907.53-55,455.35

Finding the Fourth Proportional to 98,475.44, 135,907.53 and 55,455.35

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Solution

The fourth proportional to 98,475.44, 135,907.53 and 55,455.35 is: 76,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,475.44 : 135,907.53 = 55,455.35 : x
  2. Step 2: Convert to fraction form
    98,475.44/135,907.53 = 55,455.35/x
  3. Step 3: Cross multiply
    98,475.44x = 135,907.53 × 55,455.35
  4. Step 4: Simplify right side
    98,475.44x = 7,536,799,643.79
  5. Step 5: Solve for x
    x = 7,536,799,643.79/98,475.44
  6. Step 6: Final answer
    x = 76,534.82

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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.