Home / 98,077.54-135,343.02-55,635.16

Finding the Fourth Proportional to 98,077.54, 135,343.02 and 55,635.16

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Solution

The fourth proportional to 98,077.54, 135,343.02 and 55,635.16 is: 76,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.54 : 135,343.02 = 55,635.16 : x
  2. Step 2: Convert to fraction form
    98,077.54/135,343.02 = 55,635.16/x
  3. Step 3: Cross multiply
    98,077.54x = 135,343.02 × 55,635.16
  4. Step 4: Simplify right side
    98,077.54x = 7,529,830,572.58
  5. Step 5: Solve for x
    x = 7,529,830,572.58/98,077.54
  6. Step 6: Final answer
    x = 76,774.26

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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.