Home / 75,088.09-103,443.51-52,385.86

Finding the Fourth Proportional to 75,088.09, 103,443.51 and 52,385.86

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Solution

The fourth proportional to 75,088.09, 103,443.51 and 52,385.86 is: 72,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.09 : 103,443.51 = 52,385.86 : x
  2. Step 2: Convert to fraction form
    75,088.09/103,443.51 = 52,385.86/x
  3. Step 3: Cross multiply
    75,088.09x = 103,443.51 × 52,385.86
  4. Step 4: Simplify right side
    75,088.09x = 5,418,977,232.77
  5. Step 5: Solve for x
    x = 5,418,977,232.77/75,088.09
  6. Step 6: Final answer
    x = 72,168.27

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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.