Home / 74,368.18-102,598.41-47,503.72

Finding the Fourth Proportional to 74,368.18, 102,598.41 and 47,503.72

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Solution

The fourth proportional to 74,368.18, 102,598.41 and 47,503.72 is: 65,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.18 : 102,598.41 = 47,503.72 : x
  2. Step 2: Convert to fraction form
    74,368.18/102,598.41 = 47,503.72/x
  3. Step 3: Cross multiply
    74,368.18x = 102,598.41 × 47,503.72
  4. Step 4: Simplify right side
    74,368.18x = 4,873,806,141.09
  5. Step 5: Solve for x
    x = 4,873,806,141.09/74,368.18
  6. Step 6: Final answer
    x = 65,536.18

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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.