Home / 42,925.16-64,387.44-13,342.95

Finding the Fourth Proportional to 42,925.16, 64,387.44 and 13,342.95

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Solution

The fourth proportional to 42,925.16, 64,387.44 and 13,342.95 is: 20,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.16 : 64,387.44 = 13,342.95 : x
  2. Step 2: Convert to fraction form
    42,925.16/64,387.44 = 13,342.95/x
  3. Step 3: Cross multiply
    42,925.16x = 64,387.44 × 13,342.95
  4. Step 4: Simplify right side
    42,925.16x = 859,118,392.55
  5. Step 5: Solve for x
    x = 859,118,392.55/42,925.16
  6. Step 6: Final answer
    x = 20,014.33

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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.