Home / 109,931.64-151,705.40-59,630.64

Finding the Fourth Proportional to 109,931.64, 151,705.40 and 59,630.64

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Solution

The fourth proportional to 109,931.64, 151,705.40 and 59,630.64 is: 82,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,931.64 : 151,705.40 = 59,630.64 : x
  2. Step 2: Convert to fraction form
    109,931.64/151,705.40 = 59,630.64/x
  3. Step 3: Cross multiply
    109,931.64x = 151,705.40 × 59,630.64
  4. Step 4: Simplify right side
    109,931.64x = 9,046,290,093.46
  5. Step 5: Solve for x
    x = 9,046,290,093.46/109,931.64
  6. Step 6: Final answer
    x = 82,290.14

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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.