Home / 81,184.76-112,036.24-45,377.10

Finding the Fourth Proportional to 81,184.76, 112,036.24 and 45,377.10

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Solution

The fourth proportional to 81,184.76, 112,036.24 and 45,377.10 is: 62,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.76 : 112,036.24 = 45,377.10 : x
  2. Step 2: Convert to fraction form
    81,184.76/112,036.24 = 45,377.10/x
  3. Step 3: Cross multiply
    81,184.76x = 112,036.24 × 45,377.10
  4. Step 4: Simplify right side
    81,184.76x = 5,083,879,666.10
  5. Step 5: Solve for x
    x = 5,083,879,666.10/81,184.76
  6. Step 6: Final answer
    x = 62,621.11

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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.