Home / 111,425.04-153,766.08-61,122.96

Finding the Fourth Proportional to 111,425.04, 153,766.08 and 61,122.96

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Solution

The fourth proportional to 111,425.04, 153,766.08 and 61,122.96 is: 84,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,425.04 : 153,766.08 = 61,122.96 : x
  2. Step 2: Convert to fraction form
    111,425.04/153,766.08 = 61,122.96/x
  3. Step 3: Cross multiply
    111,425.04x = 153,766.08 × 61,122.96
  4. Step 4: Simplify right side
    111,425.04x = 9,398,637,957.20
  5. Step 5: Solve for x
    x = 9,398,637,957.20/111,425.04
  6. Step 6: Final answer
    x = 84,349.42

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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.