Home / 70,929.21-97,882.78-39,098.13

Finding the Fourth Proportional to 70,929.21, 97,882.78 and 39,098.13

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Solution

The fourth proportional to 70,929.21, 97,882.78 and 39,098.13 is: 53,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.21 : 97,882.78 = 39,098.13 : x
  2. Step 2: Convert to fraction form
    70,929.21/97,882.78 = 39,098.13/x
  3. Step 3: Cross multiply
    70,929.21x = 97,882.78 × 39,098.13
  4. Step 4: Simplify right side
    70,929.21x = 3,827,033,657.20
  5. Step 5: Solve for x
    x = 3,827,033,657.20/70,929.21
  6. Step 6: Final answer
    x = 53,955.68

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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.