Home / 75,700.17-113,421.13-53,470.73

Finding the Fourth Proportional to 75,700.17, 113,421.13 and 53,470.73

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Solution

The fourth proportional to 75,700.17, 113,421.13 and 53,470.73 is: 80,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,700.17 : 113,421.13 = 53,470.73 : x
  2. Step 2: Convert to fraction form
    75,700.17/113,421.13 = 53,470.73/x
  3. Step 3: Cross multiply
    75,700.17x = 113,421.13 × 53,470.73
  4. Step 4: Simplify right side
    75,700.17x = 6,064,710,768.40
  5. Step 5: Solve for x
    x = 6,064,710,768.40/75,700.17
  6. Step 6: Final answer
    x = 80,114.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.