Home / 47,101.10-70,965.80-42,603.35

Finding the Fourth Proportional to 47,101.10, 70,965.80 and 42,603.35

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Solution

The fourth proportional to 47,101.10, 70,965.80 and 42,603.35 is: 64,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,101.10 : 70,965.80 = 42,603.35 : x
  2. Step 2: Convert to fraction form
    47,101.10/70,965.80 = 42,603.35/x
  3. Step 3: Cross multiply
    47,101.10x = 70,965.80 × 42,603.35
  4. Step 4: Simplify right side
    47,101.10x = 3,023,380,247.58
  5. Step 5: Solve for x
    x = 3,023,380,247.58/47,101.10
  6. Step 6: Final answer
    x = 64,189.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.