Home / 47,723.52-65,888.06-30,756.99

Finding the Fourth Proportional to 47,723.52, 65,888.06 and 30,756.99

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Solution

The fourth proportional to 47,723.52, 65,888.06 and 30,756.99 is: 42,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.52 : 65,888.06 = 30,756.99 : x
  2. Step 2: Convert to fraction form
    47,723.52/65,888.06 = 30,756.99/x
  3. Step 3: Cross multiply
    47,723.52x = 65,888.06 × 30,756.99
  4. Step 4: Simplify right side
    47,723.52x = 2,026,518,248.75
  5. Step 5: Solve for x
    x = 2,026,518,248.75/47,723.52
  6. Step 6: Final answer
    x = 42,463.72

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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.