Home / 83,478.10-115,199.13-45,752.26

Finding the Fourth Proportional to 83,478.10, 115,199.13 and 45,752.26

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Solution

The fourth proportional to 83,478.10, 115,199.13 and 45,752.26 is: 63,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.10 : 115,199.13 = 45,752.26 : x
  2. Step 2: Convert to fraction form
    83,478.10/115,199.13 = 45,752.26/x
  3. Step 3: Cross multiply
    83,478.10x = 115,199.13 × 45,752.26
  4. Step 4: Simplify right side
    83,478.10x = 5,270,620,547.53
  5. Step 5: Solve for x
    x = 5,270,620,547.53/83,478.10
  6. Step 6: Final answer
    x = 63,137.76

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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.