Home / 75,465.32-104,137.90-45,235.51

Finding the Fourth Proportional to 75,465.32, 104,137.90 and 45,235.51

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Solution

The fourth proportional to 75,465.32, 104,137.90 and 45,235.51 is: 62,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.32 : 104,137.90 = 45,235.51 : x
  2. Step 2: Convert to fraction form
    75,465.32/104,137.90 = 45,235.51/x
  3. Step 3: Cross multiply
    75,465.32x = 104,137.90 × 45,235.51
  4. Step 4: Simplify right side
    75,465.32x = 4,710,730,643.40
  5. Step 5: Solve for x
    x = 4,710,730,643.40/75,465.32
  6. Step 6: Final answer
    x = 62,422.46

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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.