Home / 46,625.60-69,938.40-42,543.20

Finding the Fourth Proportional to 46,625.60, 69,938.40 and 42,543.20

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Solution

The fourth proportional to 46,625.60, 69,938.40 and 42,543.20 is: 63,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,625.60 : 69,938.40 = 42,543.20 : x
  2. Step 2: Convert to fraction form
    46,625.60/69,938.40 = 42,543.20/x
  3. Step 3: Cross multiply
    46,625.60x = 69,938.40 × 42,543.20
  4. Step 4: Simplify right side
    46,625.60x = 2,975,403,338.88
  5. Step 5: Solve for x
    x = 2,975,403,338.88/46,625.60
  6. Step 6: Final answer
    x = 63,814.80

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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.