Home / 70,995.16-97,973.61-38,730.47

Finding the Fourth Proportional to 70,995.16, 97,973.61 and 38,730.47

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Solution

The fourth proportional to 70,995.16, 97,973.61 and 38,730.47 is: 53,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.16 : 97,973.61 = 38,730.47 : x
  2. Step 2: Convert to fraction form
    70,995.16/97,973.61 = 38,730.47/x
  3. Step 3: Cross multiply
    70,995.16x = 97,973.61 × 38,730.47
  4. Step 4: Simplify right side
    70,995.16x = 3,794,563,962.90
  5. Step 5: Solve for x
    x = 3,794,563,962.90/70,995.16
  6. Step 6: Final answer
    x = 53,448.21

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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.