Home / 74,475-102,775.66-40,941.24

Finding the Fourth Proportional to 74,475, 102,775.66 and 40,941.24

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Solution

The fourth proportional to 74,475, 102,775.66 and 40,941.24 is: 56,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,475 : 102,775.66 = 40,941.24 : x
  2. Step 2: Convert to fraction form
    74,475/102,775.66 = 40,941.24/x
  3. Step 3: Cross multiply
    74,475x = 102,775.66 × 40,941.24
  4. Step 4: Simplify right side
    74,475x = 4,207,762,962.22
  5. Step 5: Solve for x
    x = 4,207,762,962.22/74,475
  6. Step 6: Final answer
    x = 56,499.00

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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.