Home / 56,159.08-77,497.50-31,008.04

Finding the Fourth Proportional to 56,159.08, 77,497.50 and 31,008.04

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Solution

The fourth proportional to 56,159.08, 77,497.50 and 31,008.04 is: 42,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.08 : 77,497.50 = 31,008.04 : x
  2. Step 2: Convert to fraction form
    56,159.08/77,497.50 = 31,008.04/x
  3. Step 3: Cross multiply
    56,159.08x = 77,497.50 × 31,008.04
  4. Step 4: Simplify right side
    56,159.08x = 2,403,045,579.90
  5. Step 5: Solve for x
    x = 2,403,045,579.90/56,159.08
  6. Step 6: Final answer
    x = 42,789.97

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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.