Home / 76,266.16-105,247-42,732.08

Finding the Fourth Proportional to 76,266.16, 105,247 and 42,732.08

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Solution

The fourth proportional to 76,266.16, 105,247 and 42,732.08 is: 58,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.16 : 105,247 = 42,732.08 : x
  2. Step 2: Convert to fraction form
    76,266.16/105,247 = 42,732.08/x
  3. Step 3: Cross multiply
    76,266.16x = 105,247 × 42,732.08
  4. Step 4: Simplify right side
    76,266.16x = 4,497,423,223.76
  5. Step 5: Solve for x
    x = 4,497,423,223.76/76,266.16
  6. Step 6: Final answer
    x = 58,970.10

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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.