Home / 70,932.51-97,887.53-39,102.55

Finding the Fourth Proportional to 70,932.51, 97,887.53 and 39,102.55

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Solution

The fourth proportional to 70,932.51, 97,887.53 and 39,102.55 is: 53,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.51 : 97,887.53 = 39,102.55 : x
  2. Step 2: Convert to fraction form
    70,932.51/97,887.53 = 39,102.55/x
  3. Step 3: Cross multiply
    70,932.51x = 97,887.53 × 39,102.55
  4. Step 4: Simplify right side
    70,932.51x = 3,827,652,036.20
  5. Step 5: Solve for x
    x = 3,827,652,036.20/70,932.51
  6. Step 6: Final answer
    x = 53,961.89

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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.