Home / 56,045.08-77,184.75-54,820.36

Finding the Fourth Proportional to 56,045.08, 77,184.75 and 54,820.36

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Solution

The fourth proportional to 56,045.08, 77,184.75 and 54,820.36 is: 75,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.08 : 77,184.75 = 54,820.36 : x
  2. Step 2: Convert to fraction form
    56,045.08/77,184.75 = 54,820.36/x
  3. Step 3: Cross multiply
    56,045.08x = 77,184.75 × 54,820.36
  4. Step 4: Simplify right side
    56,045.08x = 4,231,295,775.20
  5. Step 5: Solve for x
    x = 4,231,295,775.20/56,045.08
  6. Step 6: Final answer
    x = 75,498.08

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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.