Home / 83,670.01-115,466.03-45,947.77

Finding the Fourth Proportional to 83,670.01, 115,466.03 and 45,947.77

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Solution

The fourth proportional to 83,670.01, 115,466.03 and 45,947.77 is: 63,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.01 : 115,466.03 = 45,947.77 : x
  2. Step 2: Convert to fraction form
    83,670.01/115,466.03 = 45,947.77/x
  3. Step 3: Cross multiply
    83,670.01x = 115,466.03 × 45,947.77
  4. Step 4: Simplify right side
    83,670.01x = 5,305,406,359.51
  5. Step 5: Solve for x
    x = 5,305,406,359.51/83,670.01
  6. Step 6: Final answer
    x = 63,408.70

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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.