Home / 69,807.30-96,312.30-39,590.24

Finding the Fourth Proportional to 69,807.30, 96,312.30 and 39,590.24

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Solution

The fourth proportional to 69,807.30, 96,312.30 and 39,590.24 is: 54,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.30 : 96,312.30 = 39,590.24 : x
  2. Step 2: Convert to fraction form
    69,807.30/96,312.30 = 39,590.24/x
  3. Step 3: Cross multiply
    69,807.30x = 96,312.30 × 39,590.24
  4. Step 4: Simplify right side
    69,807.30x = 3,813,027,071.95
  5. Step 5: Solve for x
    x = 3,813,027,071.95/69,807.30
  6. Step 6: Final answer
    x = 54,622.18

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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.