Home / 99,510.06-137,302.98-63,222.24

Finding the Fourth Proportional to 99,510.06, 137,302.98 and 63,222.24

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Solution

The fourth proportional to 99,510.06, 137,302.98 and 63,222.24 is: 87,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,510.06 : 137,302.98 = 63,222.24 : x
  2. Step 2: Convert to fraction form
    99,510.06/137,302.98 = 63,222.24/x
  3. Step 3: Cross multiply
    99,510.06x = 137,302.98 × 63,222.24
  4. Step 4: Simplify right side
    99,510.06x = 8,680,601,954.28
  5. Step 5: Solve for x
    x = 8,680,601,954.28/99,510.06
  6. Step 6: Final answer
    x = 87,233.41

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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.