Home / 107,051.12-147,730.44-59,307.44

Finding the Fourth Proportional to 107,051.12, 147,730.44 and 59,307.44

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Solution

The fourth proportional to 107,051.12, 147,730.44 and 59,307.44 is: 81,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,051.12 : 147,730.44 = 59,307.44 : x
  2. Step 2: Convert to fraction form
    107,051.12/147,730.44 = 59,307.44/x
  3. Step 3: Cross multiply
    107,051.12x = 147,730.44 × 59,307.44
  4. Step 4: Simplify right side
    107,051.12x = 8,761,514,206.47
  5. Step 5: Solve for x
    x = 8,761,514,206.47/107,051.12
  6. Step 6: Final answer
    x = 81,844.21

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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.