Home / 88,712.28-122,417.73-50,986.53

Finding the Fourth Proportional to 88,712.28, 122,417.73 and 50,986.53

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Solution

The fourth proportional to 88,712.28, 122,417.73 and 50,986.53 is: 70,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.28 : 122,417.73 = 50,986.53 : x
  2. Step 2: Convert to fraction form
    88,712.28/122,417.73 = 50,986.53/x
  3. Step 3: Cross multiply
    88,712.28x = 122,417.73 × 50,986.53
  4. Step 4: Simplify right side
    88,712.28x = 6,241,655,263.18
  5. Step 5: Solve for x
    x = 6,241,655,263.18/88,712.28
  6. Step 6: Final answer
    x = 70,358.41

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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.