Home / 88,319.49-121,879.71-48,032.39

Finding the Fourth Proportional to 88,319.49, 121,879.71 and 48,032.39

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Solution

The fourth proportional to 88,319.49, 121,879.71 and 48,032.39 is: 66,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,319.49 : 121,879.71 = 48,032.39 : x
  2. Step 2: Convert to fraction form
    88,319.49/121,879.71 = 48,032.39/x
  3. Step 3: Cross multiply
    88,319.49x = 121,879.71 × 48,032.39
  4. Step 4: Simplify right side
    88,319.49x = 5,854,173,763.81
  5. Step 5: Solve for x
    x = 5,854,173,763.81/88,319.49
  6. Step 6: Final answer
    x = 66,284.05

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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.