Home / 56,492.20-77,907.78-47,045.80

Finding the Fourth Proportional to 56,492.20, 77,907.78 and 47,045.80

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Solution

The fourth proportional to 56,492.20, 77,907.78 and 47,045.80 is: 64,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.20 : 77,907.78 = 47,045.80 : x
  2. Step 2: Convert to fraction form
    56,492.20/77,907.78 = 47,045.80/x
  3. Step 3: Cross multiply
    56,492.20x = 77,907.78 × 47,045.80
  4. Step 4: Simplify right side
    56,492.20x = 3,665,233,836.32
  5. Step 5: Solve for x
    x = 3,665,233,836.32/56,492.20
  6. Step 6: Final answer
    x = 64,880.35

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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.