Home / 96,818.40-133,642.08-61,068

Finding the Fourth Proportional to 96,818.40, 133,642.08 and 61,068

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Solution

The fourth proportional to 96,818.40, 133,642.08 and 61,068 is: 84,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,818.40 : 133,642.08 = 61,068 : x
  2. Step 2: Convert to fraction form
    96,818.40/133,642.08 = 61,068/x
  3. Step 3: Cross multiply
    96,818.40x = 133,642.08 × 61,068
  4. Step 4: Simplify right side
    96,818.40x = 8,161,254,541.44
  5. Step 5: Solve for x
    x = 8,161,254,541.44/96,818.40
  6. Step 6: Final answer
    x = 84,294.46

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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.