Home / 72,931.36-109,397.04-23,011.60

Finding the Fourth Proportional to 72,931.36, 109,397.04 and 23,011.60

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Solution

The fourth proportional to 72,931.36, 109,397.04 and 23,011.60 is: 34,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.36 : 109,397.04 = 23,011.60 : x
  2. Step 2: Convert to fraction form
    72,931.36/109,397.04 = 23,011.60/x
  3. Step 3: Cross multiply
    72,931.36x = 109,397.04 × 23,011.60
  4. Step 4: Simplify right side
    72,931.36x = 2,517,400,925.66
  5. Step 5: Solve for x
    x = 2,517,400,925.66/72,931.36
  6. Step 6: Final answer
    x = 34,517.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.