Home / 89,021.70-133,316.55-47,376.90

Finding the Fourth Proportional to 89,021.70, 133,316.55 and 47,376.90

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Solution

The fourth proportional to 89,021.70, 133,316.55 and 47,376.90 is: 70,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,021.70 : 133,316.55 = 47,376.90 : x
  2. Step 2: Convert to fraction form
    89,021.70/133,316.55 = 47,376.90/x
  3. Step 3: Cross multiply
    89,021.70x = 133,316.55 × 47,376.90
  4. Step 4: Simplify right side
    89,021.70x = 6,316,124,857.70
  5. Step 5: Solve for x
    x = 6,316,124,857.70/89,021.70
  6. Step 6: Final answer
    x = 70,950.40

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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.