Home / 42,066.52-63,111.95-13,602.86

Finding the Fourth Proportional to 42,066.52, 63,111.95 and 13,602.86

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Solution

The fourth proportional to 42,066.52, 63,111.95 and 13,602.86 is: 20,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,066.52 : 63,111.95 = 13,602.86 : x
  2. Step 2: Convert to fraction form
    42,066.52/63,111.95 = 13,602.86/x
  3. Step 3: Cross multiply
    42,066.52x = 63,111.95 × 13,602.86
  4. Step 4: Simplify right side
    42,066.52x = 858,502,952.16
  5. Step 5: Solve for x
    x = 858,502,952.16/42,066.52
  6. Step 6: Final answer
    x = 20,408.23

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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.