Home / 70,528.12-105,717.76-23,130.82

Finding the Fourth Proportional to 70,528.12, 105,717.76 and 23,130.82

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Solution

The fourth proportional to 70,528.12, 105,717.76 and 23,130.82 is: 34,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.12 : 105,717.76 = 23,130.82 : x
  2. Step 2: Convert to fraction form
    70,528.12/105,717.76 = 23,130.82/x
  3. Step 3: Cross multiply
    70,528.12x = 105,717.76 × 23,130.82
  4. Step 4: Simplify right side
    70,528.12x = 2,445,337,957.02
  5. Step 5: Solve for x
    x = 2,445,337,957.02/70,528.12
  6. Step 6: Final answer
    x = 34,671.82

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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.