Home / 76,217.02-105,156.72-49,316.92

Finding the Fourth Proportional to 76,217.02, 105,156.72 and 49,316.92

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Solution

The fourth proportional to 76,217.02, 105,156.72 and 49,316.92 is: 68,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,217.02 : 105,156.72 = 49,316.92 : x
  2. Step 2: Convert to fraction form
    76,217.02/105,156.72 = 49,316.92/x
  3. Step 3: Cross multiply
    76,217.02x = 105,156.72 × 49,316.92
  4. Step 4: Simplify right side
    76,217.02x = 5,186,005,547.70
  5. Step 5: Solve for x
    x = 5,186,005,547.70/76,217.02
  6. Step 6: Final answer
    x = 68,042.62

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1.5x scale

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.