Home / 54,126.48-74,688.84-31,461.36

Finding the Fourth Proportional to 54,126.48, 74,688.84 and 31,461.36

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Solution

The fourth proportional to 54,126.48, 74,688.84 and 31,461.36 is: 43,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.48 : 74,688.84 = 31,461.36 : x
  2. Step 2: Convert to fraction form
    54,126.48/74,688.84 = 31,461.36/x
  3. Step 3: Cross multiply
    54,126.48x = 74,688.84 × 31,461.36
  4. Step 4: Simplify right side
    54,126.48x = 2,349,812,483.22
  5. Step 5: Solve for x
    x = 2,349,812,483.22/54,126.48
  6. Step 6: Final answer
    x = 43,413.36

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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.