Home / 106,815.51-147,398.13-59,068.44

Finding the Fourth Proportional to 106,815.51, 147,398.13 and 59,068.44

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Solution

The fourth proportional to 106,815.51, 147,398.13 and 59,068.44 is: 81,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.51 : 147,398.13 = 59,068.44 : x
  2. Step 2: Convert to fraction form
    106,815.51/147,398.13 = 59,068.44/x
  3. Step 3: Cross multiply
    106,815.51x = 147,398.13 × 59,068.44
  4. Step 4: Simplify right side
    106,815.51x = 8,706,577,598.02
  5. Step 5: Solve for x
    x = 8,706,577,598.02/106,815.51
  6. Step 6: Final answer
    x = 81,510.42

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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.