Home / 94,031.41-129,729.29-61,783.39

Finding the Fourth Proportional to 94,031.41, 129,729.29 and 61,783.39

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Solution

The fourth proportional to 94,031.41, 129,729.29 and 61,783.39 is: 85,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,031.41 : 129,729.29 = 61,783.39 : x
  2. Step 2: Convert to fraction form
    94,031.41/129,729.29 = 61,783.39/x
  3. Step 3: Cross multiply
    94,031.41x = 129,729.29 × 61,783.39
  4. Step 4: Simplify right side
    94,031.41x = 8,015,115,009.58
  5. Step 5: Solve for x
    x = 8,015,115,009.58/94,031.41
  6. Step 6: Final answer
    x = 85,238.70

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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.