Home / 74,312.46-111,403.08-56,860.20

Finding the Fourth Proportional to 74,312.46, 111,403.08 and 56,860.20

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Solution

The fourth proportional to 74,312.46, 111,403.08 and 56,860.20 is: 85,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312.46 : 111,403.08 = 56,860.20 : x
  2. Step 2: Convert to fraction form
    74,312.46/111,403.08 = 56,860.20/x
  3. Step 3: Cross multiply
    74,312.46x = 111,403.08 × 56,860.20
  4. Step 4: Simplify right side
    74,312.46x = 6,334,401,409.42
  5. Step 5: Solve for x
    x = 6,334,401,409.42/74,312.46
  6. Step 6: Final answer
    x = 85,240.10

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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.