Home / 64,210.20-96,315.30-48,658.20

Finding the Fourth Proportional to 64,210.20, 96,315.30 and 48,658.20

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Solution

The fourth proportional to 64,210.20, 96,315.30 and 48,658.20 is: 72,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.20 : 96,315.30 = 48,658.20 : x
  2. Step 2: Convert to fraction form
    64,210.20/96,315.30 = 48,658.20/x
  3. Step 3: Cross multiply
    64,210.20x = 96,315.30 × 48,658.20
  4. Step 4: Simplify right side
    64,210.20x = 4,686,529,130.46
  5. Step 5: Solve for x
    x = 4,686,529,130.46/64,210.20
  6. Step 6: Final answer
    x = 72,987.30

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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.