Home / 98,037.45-135,280.58-55,011.32

Finding the Fourth Proportional to 98,037.45, 135,280.58 and 55,011.32

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Solution

The fourth proportional to 98,037.45, 135,280.58 and 55,011.32 is: 75,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.45 : 135,280.58 = 55,011.32 : x
  2. Step 2: Convert to fraction form
    98,037.45/135,280.58 = 55,011.32/x
  3. Step 3: Cross multiply
    98,037.45x = 135,280.58 × 55,011.32
  4. Step 4: Simplify right side
    98,037.45x = 7,441,962,324.71
  5. Step 5: Solve for x
    x = 7,441,962,324.71/98,037.45
  6. Step 6: Final answer
    x = 75,909.38

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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.