Home / 70,931.91-97,885.98-39,101.34

Finding the Fourth Proportional to 70,931.91, 97,885.98 and 39,101.34

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Solution

The fourth proportional to 70,931.91, 97,885.98 and 39,101.34 is: 53,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.91 : 97,885.98 = 39,101.34 : x
  2. Step 2: Convert to fraction form
    70,931.91/97,885.98 = 39,101.34/x
  3. Step 3: Cross multiply
    70,931.91x = 97,885.98 × 39,101.34
  4. Step 4: Simplify right side
    70,931.91x = 3,827,472,985.21
  5. Step 5: Solve for x
    x = 3,827,472,985.21/70,931.91
  6. Step 6: Final answer
    x = 53,959.82

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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.