Home / 75,370.10-103,942.95-56,296.11

Finding the Fourth Proportional to 75,370.10, 103,942.95 and 56,296.11

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Solution

The fourth proportional to 75,370.10, 103,942.95 and 56,296.11 is: 77,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370.10 : 103,942.95 = 56,296.11 : x
  2. Step 2: Convert to fraction form
    75,370.10/103,942.95 = 56,296.11/x
  3. Step 3: Cross multiply
    75,370.10x = 103,942.95 × 56,296.11
  4. Step 4: Simplify right side
    75,370.10x = 5,851,583,925.60
  5. Step 5: Solve for x
    x = 5,851,583,925.60/75,370.10
  6. Step 6: Final answer
    x = 77,638.01

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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.