Home / 81,355.16-112,270.14-45,545.24

Finding the Fourth Proportional to 81,355.16, 112,270.14 and 45,545.24

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Solution

The fourth proportional to 81,355.16, 112,270.14 and 45,545.24 is: 62,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,355.16 : 112,270.14 = 45,545.24 : x
  2. Step 2: Convert to fraction form
    81,355.16/112,270.14 = 45,545.24/x
  3. Step 3: Cross multiply
    81,355.16x = 112,270.14 × 45,545.24
  4. Step 4: Simplify right side
    81,355.16x = 5,113,370,471.13
  5. Step 5: Solve for x
    x = 5,113,370,471.13/81,355.16
  6. Step 6: Final answer
    x = 62,852.44

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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.