Home / 113,664.09-170,601.30-57,543.63

Finding the Fourth Proportional to 113,664.09, 170,601.30 and 57,543.63

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Solution

The fourth proportional to 113,664.09, 170,601.30 and 57,543.63 is: 86,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,664.09 : 170,601.30 = 57,543.63 : x
  2. Step 2: Convert to fraction form
    113,664.09/170,601.30 = 57,543.63/x
  3. Step 3: Cross multiply
    113,664.09x = 170,601.30 × 57,543.63
  4. Step 4: Simplify right side
    113,664.09x = 9,817,018,084.72
  5. Step 5: Solve for x
    x = 9,817,018,084.72/113,664.09
  6. Step 6: Final answer
    x = 86,368.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.