Home / 61,345.16-92,018.67-40,419.23

Finding the Fourth Proportional to 61,345.16, 92,018.67 and 40,419.23

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Solution

The fourth proportional to 61,345.16, 92,018.67 and 40,419.23 is: 60,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.16 : 92,018.67 = 40,419.23 : x
  2. Step 2: Convert to fraction form
    61,345.16/92,018.67 = 40,419.23/x
  3. Step 3: Cross multiply
    61,345.16x = 92,018.67 × 40,419.23
  4. Step 4: Simplify right side
    61,345.16x = 3,719,323,787.02
  5. Step 5: Solve for x
    x = 3,719,323,787.02/61,345.16
  6. Step 6: Final answer
    x = 60,629.46

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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.