Home / 88,302.04-121,856.16-48,015.76

Finding the Fourth Proportional to 88,302.04, 121,856.16 and 48,015.76

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Solution

The fourth proportional to 88,302.04, 121,856.16 and 48,015.76 is: 66,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,302.04 : 121,856.16 = 48,015.76 : x
  2. Step 2: Convert to fraction form
    88,302.04/121,856.16 = 48,015.76/x
  3. Step 3: Cross multiply
    88,302.04x = 121,856.16 × 48,015.76
  4. Step 4: Simplify right side
    88,302.04x = 5,851,016,133.08
  5. Step 5: Solve for x
    x = 5,851,016,133.08/88,302.04
  6. Step 6: Final answer
    x = 66,261.39

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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.