Home / 89,005.40-133,661.70-47,533.40

Finding the Fourth Proportional to 89,005.40, 133,661.70 and 47,533.40

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Solution

The fourth proportional to 89,005.40, 133,661.70 and 47,533.40 is: 71,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.40 : 133,661.70 = 47,533.40 : x
  2. Step 2: Convert to fraction form
    89,005.40/133,661.70 = 47,533.40/x
  3. Step 3: Cross multiply
    89,005.40x = 133,661.70 × 47,533.40
  4. Step 4: Simplify right side
    89,005.40x = 6,353,395,050.78
  5. Step 5: Solve for x
    x = 6,353,395,050.78/89,005.40
  6. Step 6: Final answer
    x = 71,382.13

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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.