Home / 89,389.12-133,971.88-45,027.04

Finding the Fourth Proportional to 89,389.12, 133,971.88 and 45,027.04

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Solution

The fourth proportional to 89,389.12, 133,971.88 and 45,027.04 is: 67,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.12 : 133,971.88 = 45,027.04 : x
  2. Step 2: Convert to fraction form
    89,389.12/133,971.88 = 45,027.04/x
  3. Step 3: Cross multiply
    89,389.12x = 133,971.88 × 45,027.04
  4. Step 4: Simplify right side
    89,389.12x = 6,032,357,199.64
  5. Step 5: Solve for x
    x = 6,032,357,199.64/89,389.12
  6. Step 6: Final answer
    x = 67,484.24

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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.