Home / 84,044.23-115,981.05-45,803.77

Finding the Fourth Proportional to 84,044.23, 115,981.05 and 45,803.77

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Solution

The fourth proportional to 84,044.23, 115,981.05 and 45,803.77 is: 63,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,044.23 : 115,981.05 = 45,803.77 : x
  2. Step 2: Convert to fraction form
    84,044.23/115,981.05 = 45,803.77/x
  3. Step 3: Cross multiply
    84,044.23x = 115,981.05 × 45,803.77
  4. Step 4: Simplify right side
    84,044.23x = 5,312,369,338.56
  5. Step 5: Solve for x
    x = 5,312,369,338.56/84,044.23
  6. Step 6: Final answer
    x = 63,209.21

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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.