Home / 91,656.39-126,485.65-51,370.14

Finding the Fourth Proportional to 91,656.39, 126,485.65 and 51,370.14

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Solution

The fourth proportional to 91,656.39, 126,485.65 and 51,370.14 is: 70,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,656.39 : 126,485.65 = 51,370.14 : x
  2. Step 2: Convert to fraction form
    91,656.39/126,485.65 = 51,370.14/x
  3. Step 3: Cross multiply
    91,656.39x = 126,485.65 × 51,370.14
  4. Step 4: Simplify right side
    91,656.39x = 6,497,585,291.64
  5. Step 5: Solve for x
    x = 6,497,585,291.64/91,656.39
  6. Step 6: Final answer
    x = 70,890.70

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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.