Home / 45,332.63-67,543.32-42,786.10

Finding the Fourth Proportional to 45,332.63, 67,543.32 and 42,786.10

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Solution

The fourth proportional to 45,332.63, 67,543.32 and 42,786.10 is: 63,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.63 : 67,543.32 = 42,786.10 : x
  2. Step 2: Convert to fraction form
    45,332.63/67,543.32 = 42,786.10/x
  3. Step 3: Cross multiply
    45,332.63x = 67,543.32 × 42,786.10
  4. Step 4: Simplify right side
    45,332.63x = 2,889,914,852.65
  5. Step 5: Solve for x
    x = 2,889,914,852.65/45,332.63
  6. Step 6: Final answer
    x = 63,749.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.