Home / 48,047.08-72,070.88-31,511.83

Finding the Fourth Proportional to 48,047.08, 72,070.88 and 31,511.83

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Solution

The fourth proportional to 48,047.08, 72,070.88 and 31,511.83 is: 47,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,047.08 : 72,070.88 = 31,511.83 : x
  2. Step 2: Convert to fraction form
    48,047.08/72,070.88 = 31,511.83/x
  3. Step 3: Cross multiply
    48,047.08x = 72,070.88 × 31,511.83
  4. Step 4: Simplify right side
    48,047.08x = 2,271,084,958.16
  5. Step 5: Solve for x
    x = 2,271,084,958.16/48,047.08
  6. Step 6: Final answer
    x = 47,267.91

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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.