Home / 94,200.03-129,988.50-53,904.56

Finding the Fourth Proportional to 94,200.03, 129,988.50 and 53,904.56

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Solution

The fourth proportional to 94,200.03, 129,988.50 and 53,904.56 is: 74,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,200.03 : 129,988.50 = 53,904.56 : x
  2. Step 2: Convert to fraction form
    94,200.03/129,988.50 = 53,904.56/x
  3. Step 3: Cross multiply
    94,200.03x = 129,988.50 × 53,904.56
  4. Step 4: Simplify right side
    94,200.03x = 7,006,972,897.56
  5. Step 5: Solve for x
    x = 7,006,972,897.56/94,200.03
  6. Step 6: Final answer
    x = 74,383.98

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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.