Home / 94,005.42-129,709.53-53,731.95

Finding the Fourth Proportional to 94,005.42, 129,709.53 and 53,731.95

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Solution

The fourth proportional to 94,005.42, 129,709.53 and 53,731.95 is: 74,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,005.42 : 129,709.53 = 53,731.95 : x
  2. Step 2: Convert to fraction form
    94,005.42/129,709.53 = 53,731.95/x
  3. Step 3: Cross multiply
    94,005.42x = 129,709.53 × 53,731.95
  4. Step 4: Simplify right side
    94,005.42x = 6,969,545,980.48
  5. Step 5: Solve for x
    x = 6,969,545,980.48/94,005.42
  6. Step 6: Final answer
    x = 74,139.83

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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.