Home / 86,253-128,848.94-62,356.38

Finding the Fourth Proportional to 86,253, 128,848.94 and 62,356.38

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Solution

The fourth proportional to 86,253, 128,848.94 and 62,356.38 is: 93,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,253 : 128,848.94 = 62,356.38 : x
  2. Step 2: Convert to fraction form
    86,253/128,848.94 = 62,356.38/x
  3. Step 3: Cross multiply
    86,253x = 128,848.94 × 62,356.38
  4. Step 4: Simplify right side
    86,253x = 8,034,553,153.46
  5. Step 5: Solve for x
    x = 8,034,553,153.46/86,253
  6. Step 6: Final answer
    x = 93,151.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.