Home / 88,312.40-121,871.69-48,026.60

Finding the Fourth Proportional to 88,312.40, 121,871.69 and 48,026.60

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Solution

The fourth proportional to 88,312.40, 121,871.69 and 48,026.60 is: 66,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.40 : 121,871.69 = 48,026.60 : x
  2. Step 2: Convert to fraction form
    88,312.40/121,871.69 = 48,026.60/x
  3. Step 3: Cross multiply
    88,312.40x = 121,871.69 × 48,026.60
  4. Step 4: Simplify right side
    88,312.40x = 5,853,082,057.46
  5. Step 5: Solve for x
    x = 5,853,082,057.46/88,312.40
  6. Step 6: Final answer
    x = 66,277.02

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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.