Home / 55,731.99-76,946.18-34,533.75

Finding the Fourth Proportional to 55,731.99, 76,946.18 and 34,533.75

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Solution

The fourth proportional to 55,731.99, 76,946.18 and 34,533.75 is: 47,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.99 : 76,946.18 = 34,533.75 : x
  2. Step 2: Convert to fraction form
    55,731.99/76,946.18 = 34,533.75/x
  3. Step 3: Cross multiply
    55,731.99x = 76,946.18 × 34,533.75
  4. Step 4: Simplify right side
    55,731.99x = 2,657,239,970.91
  5. Step 5: Solve for x
    x = 2,657,239,970.91/55,731.99
  6. Step 6: Final answer
    x = 47,678.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.