Home / 76,457.02-105,510.68-42,923.02

Finding the Fourth Proportional to 76,457.02, 105,510.68 and 42,923.02

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Solution

The fourth proportional to 76,457.02, 105,510.68 and 42,923.02 is: 59,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,457.02 : 105,510.68 = 42,923.02 : x
  2. Step 2: Convert to fraction form
    76,457.02/105,510.68 = 42,923.02/x
  3. Step 3: Cross multiply
    76,457.02x = 105,510.68 × 42,923.02
  4. Step 4: Simplify right side
    76,457.02x = 4,528,836,754.03
  5. Step 5: Solve for x
    x = 4,528,836,754.03/76,457.02
  6. Step 6: Final answer
    x = 59,233.76

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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.