Home / 74,562.90-102,895.50-40,570.24

Finding the Fourth Proportional to 74,562.90, 102,895.50 and 40,570.24

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Solution

The fourth proportional to 74,562.90, 102,895.50 and 40,570.24 is: 55,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.90 : 102,895.50 = 40,570.24 : x
  2. Step 2: Convert to fraction form
    74,562.90/102,895.50 = 40,570.24/x
  3. Step 3: Cross multiply
    74,562.90x = 102,895.50 × 40,570.24
  4. Step 4: Simplify right side
    74,562.90x = 4,174,495,129.92
  5. Step 5: Solve for x
    x = 4,174,495,129.92/74,562.90
  6. Step 6: Final answer
    x = 55,986.22

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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.