Home / 75,152.77-103,660.95-48,329.22

Finding the Fourth Proportional to 75,152.77, 103,660.95 and 48,329.22

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Solution

The fourth proportional to 75,152.77, 103,660.95 and 48,329.22 is: 66,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,152.77 : 103,660.95 = 48,329.22 : x
  2. Step 2: Convert to fraction form
    75,152.77/103,660.95 = 48,329.22/x
  3. Step 3: Cross multiply
    75,152.77x = 103,660.95 × 48,329.22
  4. Step 4: Simplify right side
    75,152.77x = 5,009,852,857.96
  5. Step 5: Solve for x
    x = 5,009,852,857.96/75,152.77
  6. Step 6: Final answer
    x = 66,662.25

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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.