Home / 75,139.16-103,662-44,913.32

Finding the Fourth Proportional to 75,139.16, 103,662 and 44,913.32

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Solution

The fourth proportional to 75,139.16, 103,662 and 44,913.32 is: 61,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.16 : 103,662 = 44,913.32 : x
  2. Step 2: Convert to fraction form
    75,139.16/103,662 = 44,913.32/x
  3. Step 3: Cross multiply
    75,139.16x = 103,662 × 44,913.32
  4. Step 4: Simplify right side
    75,139.16x = 4,655,804,577.84
  5. Step 5: Solve for x
    x = 4,655,804,577.84/75,139.16
  6. Step 6: Final answer
    x = 61,962.43

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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.