Home / 64,815.53-89,486.71-52,907.18

Finding the Fourth Proportional to 64,815.53, 89,486.71 and 52,907.18

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Solution

The fourth proportional to 64,815.53, 89,486.71 and 52,907.18 is: 73,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,815.53 : 89,486.71 = 52,907.18 : x
  2. Step 2: Convert to fraction form
    64,815.53/89,486.71 = 52,907.18/x
  3. Step 3: Cross multiply
    64,815.53x = 89,486.71 × 52,907.18
  4. Step 4: Simplify right side
    64,815.53x = 4,734,488,893.88
  5. Step 5: Solve for x
    x = 4,734,488,893.88/64,815.53
  6. Step 6: Final answer
    x = 73,045.60

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1.5x scale

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.