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Finding the Fourth Proportional to 60,130.42, 90,109.34 and 33,779.70

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Solution

The fourth proportional to 60,130.42, 90,109.34 and 33,779.70 is: 50,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130.42 : 90,109.34 = 33,779.70 : x
  2. Step 2: Convert to fraction form
    60,130.42/90,109.34 = 33,779.70/x
  3. Step 3: Cross multiply
    60,130.42x = 90,109.34 × 33,779.70
  4. Step 4: Simplify right side
    60,130.42x = 3,043,866,472.40
  5. Step 5: Solve for x
    x = 3,043,866,472.40/60,130.42
  6. Step 6: Final answer
    x = 50,621.07

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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.