Home / 89,840.90-134,615.55-56,501.30

Finding the Fourth Proportional to 89,840.90, 134,615.55 and 56,501.30

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Solution

The fourth proportional to 89,840.90, 134,615.55 and 56,501.30 is: 84,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,840.90 : 134,615.55 = 56,501.30 : x
  2. Step 2: Convert to fraction form
    89,840.90/134,615.55 = 56,501.30/x
  3. Step 3: Cross multiply
    89,840.90x = 134,615.55 × 56,501.30
  4. Step 4: Simplify right side
    89,840.90x = 7,605,953,575.22
  5. Step 5: Solve for x
    x = 7,605,953,575.22/89,840.90
  6. Step 6: Final answer
    x = 84,660.26

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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.