Home / 89,837.90-134,611.05-56,498.30

Finding the Fourth Proportional to 89,837.90, 134,611.05 and 56,498.30

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Solution

The fourth proportional to 89,837.90, 134,611.05 and 56,498.30 is: 84,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837.90 : 134,611.05 = 56,498.30 : x
  2. Step 2: Convert to fraction form
    89,837.90/134,611.05 = 56,498.30/x
  3. Step 3: Cross multiply
    89,837.90x = 134,611.05 × 56,498.30
  4. Step 4: Simplify right side
    89,837.90x = 7,605,295,486.22
  5. Step 5: Solve for x
    x = 7,605,295,486.22/89,837.90
  6. Step 6: Final answer
    x = 84,655.76

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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.