Home / 88,323.42-121,885.17-48,036.33

Finding the Fourth Proportional to 88,323.42, 121,885.17 and 48,036.33

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Solution

The fourth proportional to 88,323.42, 121,885.17 and 48,036.33 is: 66,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,323.42 : 121,885.17 = 48,036.33 : x
  2. Step 2: Convert to fraction form
    88,323.42/121,885.17 = 48,036.33/x
  3. Step 3: Cross multiply
    88,323.42x = 121,885.17 × 48,036.33
  4. Step 4: Simplify right side
    88,323.42x = 5,854,916,248.23
  5. Step 5: Solve for x
    x = 5,854,916,248.23/88,323.42
  6. Step 6: Final answer
    x = 66,289.51

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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.