Home / 77,592.37-107,089.95-72,527.14

Finding the Fourth Proportional to 77,592.37, 107,089.95 and 72,527.14

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Solution

The fourth proportional to 77,592.37, 107,089.95 and 72,527.14 is: 100,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,592.37 : 107,089.95 = 72,527.14 : x
  2. Step 2: Convert to fraction form
    77,592.37/107,089.95 = 72,527.14/x
  3. Step 3: Cross multiply
    77,592.37x = 107,089.95 × 72,527.14
  4. Step 4: Simplify right side
    77,592.37x = 7,766,927,796.24
  5. Step 5: Solve for x
    x = 7,766,927,796.24/77,592.37
  6. Step 6: Final answer
    x = 100,099.12

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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.