Home / 77,646.08-116,386.08-40,168.44

Finding the Fourth Proportional to 77,646.08, 116,386.08 and 40,168.44

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Solution

The fourth proportional to 77,646.08, 116,386.08 and 40,168.44 is: 60,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646.08 : 116,386.08 = 40,168.44 : x
  2. Step 2: Convert to fraction form
    77,646.08/116,386.08 = 40,168.44/x
  3. Step 3: Cross multiply
    77,646.08x = 116,386.08 × 40,168.44
  4. Step 4: Simplify right side
    77,646.08x = 4,675,047,271.32
  5. Step 5: Solve for x
    x = 4,675,047,271.32/77,646.08
  6. Step 6: Final answer
    x = 60,209.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.