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Finding the Fourth Proportional to 60,750.60, 90,834.30 and 45,004.20

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Solution

The fourth proportional to 60,750.60, 90,834.30 and 45,004.20 is: 67,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,750.60 : 90,834.30 = 45,004.20 : x
  2. Step 2: Convert to fraction form
    60,750.60/90,834.30 = 45,004.20/x
  3. Step 3: Cross multiply
    60,750.60x = 90,834.30 × 45,004.20
  4. Step 4: Simplify right side
    60,750.60x = 4,087,925,004.06
  5. Step 5: Solve for x
    x = 4,087,925,004.06/60,750.60
  6. Step 6: Final answer
    x = 67,290.28

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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.