Home / 88,394.33-121,980.51-48,108.17

Finding the Fourth Proportional to 88,394.33, 121,980.51 and 48,108.17

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Solution

The fourth proportional to 88,394.33, 121,980.51 and 48,108.17 is: 66,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.33 : 121,980.51 = 48,108.17 : x
  2. Step 2: Convert to fraction form
    88,394.33/121,980.51 = 48,108.17/x
  3. Step 3: Cross multiply
    88,394.33x = 121,980.51 × 48,108.17
  4. Step 4: Simplify right side
    88,394.33x = 5,868,258,501.86
  5. Step 5: Solve for x
    x = 5,868,258,501.86/88,394.33
  6. Step 6: Final answer
    x = 66,387.28

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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.