Home / 91,590.57-126,391.53-51,302.34

Finding the Fourth Proportional to 91,590.57, 126,391.53 and 51,302.34

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Solution

The fourth proportional to 91,590.57, 126,391.53 and 51,302.34 is: 70,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590.57 : 126,391.53 = 51,302.34 : x
  2. Step 2: Convert to fraction form
    91,590.57/126,391.53 = 51,302.34/x
  3. Step 3: Cross multiply
    91,590.57x = 126,391.53 × 51,302.34
  4. Step 4: Simplify right side
    91,590.57x = 6,484,181,245.18
  5. Step 5: Solve for x
    x = 6,484,181,245.18/91,590.57
  6. Step 6: Final answer
    x = 70,795.29

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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.