Home / 74,328.45-102,589.50-47,086.93

Finding the Fourth Proportional to 74,328.45, 102,589.50 and 47,086.93

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Solution

The fourth proportional to 74,328.45, 102,589.50 and 47,086.93 is: 64,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.45 : 102,589.50 = 47,086.93 : x
  2. Step 2: Convert to fraction form
    74,328.45/102,589.50 = 47,086.93/x
  3. Step 3: Cross multiply
    74,328.45x = 102,589.50 × 47,086.93
  4. Step 4: Simplify right side
    74,328.45x = 4,830,624,605.24
  5. Step 5: Solve for x
    x = 4,830,624,605.24/74,328.45
  6. Step 6: Final answer
    x = 64,990.25

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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.