Home / 60,402.42-90,562.29-30,762.90

Finding the Fourth Proportional to 60,402.42, 90,562.29 and 30,762.90

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Solution

The fourth proportional to 60,402.42, 90,562.29 and 30,762.90 is: 46,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,402.42 : 90,562.29 = 30,762.90 : x
  2. Step 2: Convert to fraction form
    60,402.42/90,562.29 = 30,762.90/x
  3. Step 3: Cross multiply
    60,402.42x = 90,562.29 × 30,762.90
  4. Step 4: Simplify right side
    60,402.42x = 2,785,958,671.04
  5. Step 5: Solve for x
    x = 2,785,958,671.04/60,402.42
  6. Step 6: Final answer
    x = 46,123.30

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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.