Home / 76,897.24-106,100.08-46,681.80

Finding the Fourth Proportional to 76,897.24, 106,100.08 and 46,681.80

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Solution

The fourth proportional to 76,897.24, 106,100.08 and 46,681.80 is: 64,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,897.24 : 106,100.08 = 46,681.80 : x
  2. Step 2: Convert to fraction form
    76,897.24/106,100.08 = 46,681.80/x
  3. Step 3: Cross multiply
    76,897.24x = 106,100.08 × 46,681.80
  4. Step 4: Simplify right side
    76,897.24x = 4,952,942,714.54
  5. Step 5: Solve for x
    x = 4,952,942,714.54/76,897.24
  6. Step 6: Final answer
    x = 64,409.89

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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.