Home / 52,053.04-78,073.08-16,989.76

Finding the Fourth Proportional to 52,053.04, 78,073.08 and 16,989.76

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Solution

The fourth proportional to 52,053.04, 78,073.08 and 16,989.76 is: 25,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.04 : 78,073.08 = 16,989.76 : x
  2. Step 2: Convert to fraction form
    52,053.04/78,073.08 = 16,989.76/x
  3. Step 3: Cross multiply
    52,053.04x = 78,073.08 × 16,989.76
  4. Step 4: Simplify right side
    52,053.04x = 1,326,442,891.66
  5. Step 5: Solve for x
    x = 1,326,442,891.66/52,053.04
  6. Step 6: Final answer
    x = 25,482.52

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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.