Home / 103,684.80-155,460.24-56,925.12

Finding the Fourth Proportional to 103,684.80, 155,460.24 and 56,925.12

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Solution

The fourth proportional to 103,684.80, 155,460.24 and 56,925.12 is: 85,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.80 : 155,460.24 = 56,925.12 : x
  2. Step 2: Convert to fraction form
    103,684.80/155,460.24 = 56,925.12/x
  3. Step 3: Cross multiply
    103,684.80x = 155,460.24 × 56,925.12
  4. Step 4: Simplify right side
    103,684.80x = 8,849,592,817.23
  5. Step 5: Solve for x
    x = 8,849,592,817.23/103,684.80
  6. Step 6: Final answer
    x = 85,350.92

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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.