Home / 84,044.86-115,980.34-45,804.72

Finding the Fourth Proportional to 84,044.86, 115,980.34 and 45,804.72

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Solution

The fourth proportional to 84,044.86, 115,980.34 and 45,804.72 is: 63,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,044.86 : 115,980.34 = 45,804.72 : x
  2. Step 2: Convert to fraction form
    84,044.86/115,980.34 = 45,804.72/x
  3. Step 3: Cross multiply
    84,044.86x = 115,980.34 × 45,804.72
  4. Step 4: Simplify right side
    84,044.86x = 5,312,446,999.20
  5. Step 5: Solve for x
    x = 5,312,446,999.20/84,044.86
  6. Step 6: Final answer
    x = 63,209.66

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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.