Home / 91,729.66-126,533.18-57,684.14

Finding the Fourth Proportional to 91,729.66, 126,533.18 and 57,684.14

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Solution

The fourth proportional to 91,729.66, 126,533.18 and 57,684.14 is: 79,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.66 : 126,533.18 = 57,684.14 : x
  2. Step 2: Convert to fraction form
    91,729.66/126,533.18 = 57,684.14/x
  3. Step 3: Cross multiply
    91,729.66x = 126,533.18 × 57,684.14
  4. Step 4: Simplify right side
    91,729.66x = 7,298,957,381.34
  5. Step 5: Solve for x
    x = 7,298,957,381.34/91,729.66
  6. Step 6: Final answer
    x = 79,570.31

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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.