Home / 91,624.40-126,435.72-53,891.36

Finding the Fourth Proportional to 91,624.40, 126,435.72 and 53,891.36

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Solution

The fourth proportional to 91,624.40, 126,435.72 and 53,891.36 is: 74,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.40 : 126,435.72 = 53,891.36 : x
  2. Step 2: Convert to fraction form
    91,624.40/126,435.72 = 53,891.36/x
  3. Step 3: Cross multiply
    91,624.40x = 126,435.72 × 53,891.36
  4. Step 4: Simplify right side
    91,624.40x = 6,813,792,903.38
  5. Step 5: Solve for x
    x = 6,813,792,903.38/91,624.40
  6. Step 6: Final answer
    x = 74,366.58

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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.