Home / 99,598.51-137,445.97-54,276.53

Finding the Fourth Proportional to 99,598.51, 137,445.97 and 54,276.53

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Solution

The fourth proportional to 99,598.51, 137,445.97 and 54,276.53 is: 74,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,598.51 : 137,445.97 = 54,276.53 : x
  2. Step 2: Convert to fraction form
    99,598.51/137,445.97 = 54,276.53/x
  3. Step 3: Cross multiply
    99,598.51x = 137,445.97 × 54,276.53
  4. Step 4: Simplify right side
    99,598.51x = 7,460,090,314.08
  5. Step 5: Solve for x
    x = 7,460,090,314.08/99,598.51
  6. Step 6: Final answer
    x = 74,901.63

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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.