Home / 70,275.89-96,985.99-40,061.93

Finding the Fourth Proportional to 70,275.89, 96,985.99 and 40,061.93

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Solution

The fourth proportional to 70,275.89, 96,985.99 and 40,061.93 is: 55,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,275.89 : 96,985.99 = 40,061.93 : x
  2. Step 2: Convert to fraction form
    70,275.89/96,985.99 = 40,061.93/x
  3. Step 3: Cross multiply
    70,275.89x = 96,985.99 × 40,061.93
  4. Step 4: Simplify right side
    70,275.89x = 3,885,445,942.36
  5. Step 5: Solve for x
    x = 3,885,445,942.36/70,275.89
  6. Step 6: Final answer
    x = 55,288.46

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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.