Home / 52,210.59-78,315.88-12,767.23

Finding the Fourth Proportional to 52,210.59, 78,315.88 and 12,767.23

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Solution

The fourth proportional to 52,210.59, 78,315.88 and 12,767.23 is: 19,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.59 : 78,315.88 = 12,767.23 : x
  2. Step 2: Convert to fraction form
    52,210.59/78,315.88 = 12,767.23/x
  3. Step 3: Cross multiply
    52,210.59x = 78,315.88 × 12,767.23
  4. Step 4: Simplify right side
    52,210.59x = 999,876,852.61
  5. Step 5: Solve for x
    x = 999,876,852.61/52,210.59
  6. Step 6: Final answer
    x = 19,150.84

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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.