Home / 81,798.06-112,880.64-45,988.23

Finding the Fourth Proportional to 81,798.06, 112,880.64 and 45,988.23

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Solution

The fourth proportional to 81,798.06, 112,880.64 and 45,988.23 is: 63,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798.06 : 112,880.64 = 45,988.23 : x
  2. Step 2: Convert to fraction form
    81,798.06/112,880.64 = 45,988.23/x
  3. Step 3: Cross multiply
    81,798.06x = 112,880.64 × 45,988.23
  4. Step 4: Simplify right side
    81,798.06x = 5,191,180,834.87
  5. Step 5: Solve for x
    x = 5,191,180,834.87/81,798.06
  6. Step 6: Final answer
    x = 63,463.37

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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.