Home / 70,931.52-97,885.46-39,100.95

Finding the Fourth Proportional to 70,931.52, 97,885.46 and 39,100.95

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Solution

The fourth proportional to 70,931.52, 97,885.46 and 39,100.95 is: 53,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.52 : 97,885.46 = 39,100.95 : x
  2. Step 2: Convert to fraction form
    70,931.52/97,885.46 = 39,100.95/x
  3. Step 3: Cross multiply
    70,931.52x = 97,885.46 × 39,100.95
  4. Step 4: Simplify right side
    70,931.52x = 3,827,414,574.94
  5. Step 5: Solve for x
    x = 3,827,414,574.94/70,931.52
  6. Step 6: Final answer
    x = 53,959.29

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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.