Home / 91,858.89-126,762.02-51,574.35

Finding the Fourth Proportional to 91,858.89, 126,762.02 and 51,574.35

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Solution

The fourth proportional to 91,858.89, 126,762.02 and 51,574.35 is: 71,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.89 : 126,762.02 = 51,574.35 : x
  2. Step 2: Convert to fraction form
    91,858.89/126,762.02 = 51,574.35/x
  3. Step 3: Cross multiply
    91,858.89x = 126,762.02 × 51,574.35
  4. Step 4: Simplify right side
    91,858.89x = 6,537,668,786.19
  5. Step 5: Solve for x
    x = 6,537,668,786.19/91,858.89
  6. Step 6: Final answer
    x = 71,170.78

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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.