Home / 110,123.29-151,970.43-62,376.63

Finding the Fourth Proportional to 110,123.29, 151,970.43 and 62,376.63

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Solution

The fourth proportional to 110,123.29, 151,970.43 and 62,376.63 is: 86,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,123.29 : 151,970.43 = 62,376.63 : x
  2. Step 2: Convert to fraction form
    110,123.29/151,970.43 = 62,376.63/x
  3. Step 3: Cross multiply
    110,123.29x = 151,970.43 × 62,376.63
  4. Step 4: Simplify right side
    110,123.29x = 9,479,403,283.05
  5. Step 5: Solve for x
    x = 9,479,403,283.05/110,123.29
  6. Step 6: Final answer
    x = 86,079.91

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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.