Home / 94,090.48-129,840.78-51,649.72

Finding the Fourth Proportional to 94,090.48, 129,840.78 and 51,649.72

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Solution

The fourth proportional to 94,090.48, 129,840.78 and 51,649.72 is: 71,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,090.48 : 129,840.78 = 51,649.72 : x
  2. Step 2: Convert to fraction form
    94,090.48/129,840.78 = 51,649.72/x
  3. Step 3: Cross multiply
    94,090.48x = 129,840.78 × 51,649.72
  4. Step 4: Simplify right side
    94,090.48x = 6,706,239,931.58
  5. Step 5: Solve for x
    x = 6,706,239,931.58/94,090.48
  6. Step 6: Final answer
    x = 71,274.37

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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.