Home / 91,340.34-126,055.58-51,055.80

Finding the Fourth Proportional to 91,340.34, 126,055.58 and 51,055.80

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Solution

The fourth proportional to 91,340.34, 126,055.58 and 51,055.80 is: 70,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,340.34 : 126,055.58 = 51,055.80 : x
  2. Step 2: Convert to fraction form
    91,340.34/126,055.58 = 51,055.80/x
  3. Step 3: Cross multiply
    91,340.34x = 126,055.58 × 51,055.80
  4. Step 4: Simplify right side
    91,340.34x = 6,435,868,226.09
  5. Step 5: Solve for x
    x = 6,435,868,226.09/91,340.34
  6. Step 6: Final answer
    x = 70,460.31

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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.