Home / 51,774.10-77,547.32-42,787.58

Finding the Fourth Proportional to 51,774.10, 77,547.32 and 42,787.58

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Solution

The fourth proportional to 51,774.10, 77,547.32 and 42,787.58 is: 64,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774.10 : 77,547.32 = 42,787.58 : x
  2. Step 2: Convert to fraction form
    51,774.10/77,547.32 = 42,787.58/x
  3. Step 3: Cross multiply
    51,774.10x = 77,547.32 × 42,787.58
  4. Step 4: Simplify right side
    51,774.10x = 3,318,062,158.29
  5. Step 5: Solve for x
    x = 3,318,062,158.29/51,774.10
  6. Step 6: Final answer
    x = 64,087.30

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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.