Home / 98,038.80-135,293.52-55,597.32

Finding the Fourth Proportional to 98,038.80, 135,293.52 and 55,597.32

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Solution

The fourth proportional to 98,038.80, 135,293.52 and 55,597.32 is: 76,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038.80 : 135,293.52 = 55,597.32 : x
  2. Step 2: Convert to fraction form
    98,038.80/135,293.52 = 55,597.32/x
  3. Step 3: Cross multiply
    98,038.80x = 135,293.52 × 55,597.32
  4. Step 4: Simplify right side
    98,038.80x = 7,521,957,125.37
  5. Step 5: Solve for x
    x = 7,521,957,125.37/98,038.80
  6. Step 6: Final answer
    x = 76,724.29

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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.