Home / 96,490.02-133,156.47-54,048.78

Finding the Fourth Proportional to 96,490.02, 133,156.47 and 54,048.78

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Solution

The fourth proportional to 96,490.02, 133,156.47 and 54,048.78 is: 74,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,490.02 : 133,156.47 = 54,048.78 : x
  2. Step 2: Convert to fraction form
    96,490.02/133,156.47 = 54,048.78/x
  3. Step 3: Cross multiply
    96,490.02x = 133,156.47 × 54,048.78
  4. Step 4: Simplify right side
    96,490.02x = 7,196,944,752.61
  5. Step 5: Solve for x
    x = 7,196,944,752.61/96,490.02
  6. Step 6: Final answer
    x = 74,587.45

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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.