Home / 75,124.40-103,674.60-41,130.86

Finding the Fourth Proportional to 75,124.40, 103,674.60 and 41,130.86

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Solution

The fourth proportional to 75,124.40, 103,674.60 and 41,130.86 is: 56,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.40 : 103,674.60 = 41,130.86 : x
  2. Step 2: Convert to fraction form
    75,124.40/103,674.60 = 41,130.86/x
  3. Step 3: Cross multiply
    75,124.40x = 103,674.60 × 41,130.86
  4. Step 4: Simplify right side
    75,124.40x = 4,264,224,939.78
  5. Step 5: Solve for x
    x = 4,264,224,939.78/75,124.40
  6. Step 6: Final answer
    x = 56,762.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.