Home / 94,031.12-129,760.61-52,637.54

Finding the Fourth Proportional to 94,031.12, 129,760.61 and 52,637.54

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Solution

The fourth proportional to 94,031.12, 129,760.61 and 52,637.54 is: 72,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,031.12 : 129,760.61 = 52,637.54 : x
  2. Step 2: Convert to fraction form
    94,031.12/129,760.61 = 52,637.54/x
  3. Step 3: Cross multiply
    94,031.12x = 129,760.61 × 52,637.54
  4. Step 4: Simplify right side
    94,031.12x = 6,830,278,387.31
  5. Step 5: Solve for x
    x = 6,830,278,387.31/94,031.12
  6. Step 6: Final answer
    x = 72,638.49

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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.