Home / 81,336.02-112,248.69-45,528.26

Finding the Fourth Proportional to 81,336.02, 112,248.69 and 45,528.26

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Solution

The fourth proportional to 81,336.02, 112,248.69 and 45,528.26 is: 62,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.02 : 112,248.69 = 45,528.26 : x
  2. Step 2: Convert to fraction form
    81,336.02/112,248.69 = 45,528.26/x
  3. Step 3: Cross multiply
    81,336.02x = 112,248.69 × 45,528.26
  4. Step 4: Simplify right side
    81,336.02x = 5,110,487,542.98
  5. Step 5: Solve for x
    x = 5,110,487,542.98/81,336.02
  6. Step 6: Final answer
    x = 62,831.79

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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.