Home / 70,931.65-97,885.64-39,101.08

Finding the Fourth Proportional to 70,931.65, 97,885.64 and 39,101.08

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Solution

The fourth proportional to 70,931.65, 97,885.64 and 39,101.08 is: 53,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.65 : 97,885.64 = 39,101.08 : x
  2. Step 2: Convert to fraction form
    70,931.65/97,885.64 = 39,101.08/x
  3. Step 3: Cross multiply
    70,931.65x = 97,885.64 × 39,101.08
  4. Step 4: Simplify right side
    70,931.65x = 3,827,434,240.49
  5. Step 5: Solve for x
    x = 3,827,434,240.49/70,931.65
  6. Step 6: Final answer
    x = 53,959.47

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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.