Home / 89,463.02-123,459.23-51,223.16

Finding the Fourth Proportional to 89,463.02, 123,459.23 and 51,223.16

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Solution

The fourth proportional to 89,463.02, 123,459.23 and 51,223.16 is: 70,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,463.02 : 123,459.23 = 51,223.16 : x
  2. Step 2: Convert to fraction form
    89,463.02/123,459.23 = 51,223.16/x
  3. Step 3: Cross multiply
    89,463.02x = 123,459.23 × 51,223.16
  4. Step 4: Simplify right side
    89,463.02x = 6,323,971,837.18
  5. Step 5: Solve for x
    x = 6,323,971,837.18/89,463.02
  6. Step 6: Final answer
    x = 70,688.11

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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.