Home / 75,801.08-104,615.54-43,963.40

Finding the Fourth Proportional to 75,801.08, 104,615.54 and 43,963.40

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Solution

The fourth proportional to 75,801.08, 104,615.54 and 43,963.40 is: 60,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,801.08 : 104,615.54 = 43,963.40 : x
  2. Step 2: Convert to fraction form
    75,801.08/104,615.54 = 43,963.40/x
  3. Step 3: Cross multiply
    75,801.08x = 104,615.54 × 43,963.40
  4. Step 4: Simplify right side
    75,801.08x = 4,599,254,831.24
  5. Step 5: Solve for x
    x = 4,599,254,831.24/75,801.08
  6. Step 6: Final answer
    x = 60,675.32

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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.