Home / 64,356.18-96,489.46-28,315.18

Finding the Fourth Proportional to 64,356.18, 96,489.46 and 28,315.18

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Solution

The fourth proportional to 64,356.18, 96,489.46 and 28,315.18 is: 42,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.18 : 96,489.46 = 28,315.18 : x
  2. Step 2: Convert to fraction form
    64,356.18/96,489.46 = 28,315.18/x
  3. Step 3: Cross multiply
    64,356.18x = 96,489.46 × 28,315.18
  4. Step 4: Simplify right side
    64,356.18x = 2,732,116,428.00
  5. Step 5: Solve for x
    x = 2,732,116,428.00/64,356.18
  6. Step 6: Final answer
    x = 42,453.05

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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.