Home / 81,283.71-112,178.25-45,477.06

Finding the Fourth Proportional to 81,283.71, 112,178.25 and 45,477.06

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Solution

The fourth proportional to 81,283.71, 112,178.25 and 45,477.06 is: 62,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,283.71 : 112,178.25 = 45,477.06 : x
  2. Step 2: Convert to fraction form
    81,283.71/112,178.25 = 45,477.06/x
  3. Step 3: Cross multiply
    81,283.71x = 112,178.25 × 45,477.06
  4. Step 4: Simplify right side
    81,283.71x = 5,101,536,585.28
  5. Step 5: Solve for x
    x = 5,101,536,585.28/81,283.71
  6. Step 6: Final answer
    x = 62,762.10

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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.