Home / 85,359.22-128,052.65-32,055.35

Finding the Fourth Proportional to 85,359.22, 128,052.65 and 32,055.35

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Solution

The fourth proportional to 85,359.22, 128,052.65 and 32,055.35 is: 48,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359.22 : 128,052.65 = 32,055.35 : x
  2. Step 2: Convert to fraction form
    85,359.22/128,052.65 = 32,055.35/x
  3. Step 3: Cross multiply
    85,359.22x = 128,052.65 × 32,055.35
  4. Step 4: Simplify right side
    85,359.22x = 4,104,771,773.74
  5. Step 5: Solve for x
    x = 4,104,771,773.74/85,359.22
  6. Step 6: Final answer
    x = 48,088.21

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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.