Home / 88,320.84-121,883.66-48,035.51

Finding the Fourth Proportional to 88,320.84, 121,883.66 and 48,035.51

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Solution

The fourth proportional to 88,320.84, 121,883.66 and 48,035.51 is: 66,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,320.84 : 121,883.66 = 48,035.51 : x
  2. Step 2: Convert to fraction form
    88,320.84/121,883.66 = 48,035.51/x
  3. Step 3: Cross multiply
    88,320.84x = 121,883.66 × 48,035.51
  4. Step 4: Simplify right side
    88,320.84x = 5,854,742,919.17
  5. Step 5: Solve for x
    x = 5,854,742,919.17/88,320.84
  6. Step 6: Final answer
    x = 66,289.48

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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.