Home / 106,787.40-147,364.02-59,039.52

Finding the Fourth Proportional to 106,787.40, 147,364.02 and 59,039.52

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Solution

The fourth proportional to 106,787.40, 147,364.02 and 59,039.52 is: 81,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.40 : 147,364.02 = 59,039.52 : x
  2. Step 2: Convert to fraction form
    106,787.40/147,364.02 = 59,039.52/x
  3. Step 3: Cross multiply
    106,787.40x = 147,364.02 × 59,039.52
  4. Step 4: Simplify right side
    106,787.40x = 8,700,301,006.07
  5. Step 5: Solve for x
    x = 8,700,301,006.07/106,787.40
  6. Step 6: Final answer
    x = 81,473.10

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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.