Home / 83,688.99-115,490.45-45,448.27

Finding the Fourth Proportional to 83,688.99, 115,490.45 and 45,448.27

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Solution

The fourth proportional to 83,688.99, 115,490.45 and 45,448.27 is: 62,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,688.99 : 115,490.45 = 45,448.27 : x
  2. Step 2: Convert to fraction form
    83,688.99/115,490.45 = 45,448.27/x
  3. Step 3: Cross multiply
    83,688.99x = 115,490.45 × 45,448.27
  4. Step 4: Simplify right side
    83,688.99x = 5,248,840,638.05
  5. Step 5: Solve for x
    x = 5,248,840,638.05/83,688.99
  6. Step 6: Final answer
    x = 62,718.41

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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.