Home / 47,358.72-70,959.99-42,475.65

Finding the Fourth Proportional to 47,358.72, 70,959.99 and 42,475.65

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Solution

The fourth proportional to 47,358.72, 70,959.99 and 42,475.65 is: 63,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358.72 : 70,959.99 = 42,475.65 : x
  2. Step 2: Convert to fraction form
    47,358.72/70,959.99 = 42,475.65/x
  3. Step 3: Cross multiply
    47,358.72x = 70,959.99 × 42,475.65
  4. Step 4: Simplify right side
    47,358.72x = 3,014,071,699.24
  5. Step 5: Solve for x
    x = 3,014,071,699.24/47,358.72
  6. Step 6: Final answer
    x = 63,643.44

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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.