Home / 91,729.55-126,587.00-53,515.37

Finding the Fourth Proportional to 91,729.55, 126,587.00 and 53,515.37

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Solution

The fourth proportional to 91,729.55, 126,587.00 and 53,515.37 is: 73,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.55 : 126,587.00 = 53,515.37 : x
  2. Step 2: Convert to fraction form
    91,729.55/126,587.00 = 53,515.37/x
  3. Step 3: Cross multiply
    91,729.55x = 126,587.00 × 53,515.37
  4. Step 4: Simplify right side
    91,729.55x = 6,774,349,880.39
  5. Step 5: Solve for x
    x = 6,774,349,880.39/91,729.55
  6. Step 6: Final answer
    x = 73,851.34

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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.