Home / 94,887.86-130,884.76-72,177.02

Finding the Fourth Proportional to 94,887.86, 130,884.76 and 72,177.02

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Solution

The fourth proportional to 94,887.86, 130,884.76 and 72,177.02 is: 99,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887.86 : 130,884.76 = 72,177.02 : x
  2. Step 2: Convert to fraction form
    94,887.86/130,884.76 = 72,177.02/x
  3. Step 3: Cross multiply
    94,887.86x = 130,884.76 × 72,177.02
  4. Step 4: Simplify right side
    94,887.86x = 9,446,871,940.22
  5. Step 5: Solve for x
    x = 9,446,871,940.22/94,887.86
  6. Step 6: Final answer
    x = 99,558.28

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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.