Home / 123,510.48-170,445.28-66,922.32

Finding the Fourth Proportional to 123,510.48, 170,445.28 and 66,922.32

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Solution

The fourth proportional to 123,510.48, 170,445.28 and 66,922.32 is: 92,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,510.48 : 170,445.28 = 66,922.32 : x
  2. Step 2: Convert to fraction form
    123,510.48/170,445.28 = 66,922.32/x
  3. Step 3: Cross multiply
    123,510.48x = 170,445.28 × 66,922.32
  4. Step 4: Simplify right side
    123,510.48x = 11,406,593,570.65
  5. Step 5: Solve for x
    x = 11,406,593,570.65/123,510.48
  6. Step 6: Final answer
    x = 92,353.24

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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.