Home / 74,566.95-102,904.16-42,303.75

Finding the Fourth Proportional to 74,566.95, 102,904.16 and 42,303.75

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Solution

The fourth proportional to 74,566.95, 102,904.16 and 42,303.75 is: 58,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566.95 : 102,904.16 = 42,303.75 : x
  2. Step 2: Convert to fraction form
    74,566.95/102,904.16 = 42,303.75/x
  3. Step 3: Cross multiply
    74,566.95x = 102,904.16 × 42,303.75
  4. Step 4: Simplify right side
    74,566.95x = 4,353,231,647.08
  5. Step 5: Solve for x
    x = 4,353,231,647.08/74,566.95
  6. Step 6: Final answer
    x = 58,380.18

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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.