Home / 90,036.04-135,069.90-34,627.72

Finding the Fourth Proportional to 90,036.04, 135,069.90 and 34,627.72

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Solution

The fourth proportional to 90,036.04, 135,069.90 and 34,627.72 is: 51,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,036.04 : 135,069.90 = 34,627.72 : x
  2. Step 2: Convert to fraction form
    90,036.04/135,069.90 = 34,627.72/x
  3. Step 3: Cross multiply
    90,036.04x = 135,069.90 × 34,627.72
  4. Step 4: Simplify right side
    90,036.04x = 4,677,162,677.63
  5. Step 5: Solve for x
    x = 4,677,162,677.63/90,036.04
  6. Step 6: Final answer
    x = 51,947.67

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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.