Home / 70,931.77-97,885.82-39,101.20

Finding the Fourth Proportional to 70,931.77, 97,885.82 and 39,101.20

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Solution

The fourth proportional to 70,931.77, 97,885.82 and 39,101.20 is: 53,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.77 : 97,885.82 = 39,101.20 : x
  2. Step 2: Convert to fraction form
    70,931.77/97,885.82 = 39,101.20/x
  3. Step 3: Cross multiply
    70,931.77x = 97,885.82 × 39,101.20
  4. Step 4: Simplify right side
    70,931.77x = 3,827,453,024.98
  5. Step 5: Solve for x
    x = 3,827,453,024.98/70,931.77
  6. Step 6: Final answer
    x = 53,959.64

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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.