Home / 84,681.12-127,009.30-24,693.47

Finding the Fourth Proportional to 84,681.12, 127,009.30 and 24,693.47

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Solution

The fourth proportional to 84,681.12, 127,009.30 and 24,693.47 is: 37,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.12 : 127,009.30 = 24,693.47 : x
  2. Step 2: Convert to fraction form
    84,681.12/127,009.30 = 24,693.47/x
  3. Step 3: Cross multiply
    84,681.12x = 127,009.30 × 24,693.47
  4. Step 4: Simplify right side
    84,681.12x = 3,136,300,656.79
  5. Step 5: Solve for x
    x = 3,136,300,656.79/84,681.12
  6. Step 6: Final answer
    x = 37,036.60

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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.