Home / 70,766.84-97,656.14-38,935.72

Finding the Fourth Proportional to 70,766.84, 97,656.14 and 38,935.72

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Solution

The fourth proportional to 70,766.84, 97,656.14 and 38,935.72 is: 53,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.84 : 97,656.14 = 38,935.72 : x
  2. Step 2: Convert to fraction form
    70,766.84/97,656.14 = 38,935.72/x
  3. Step 3: Cross multiply
    70,766.84x = 97,656.14 × 38,935.72
  4. Step 4: Simplify right side
    70,766.84x = 3,802,312,123.32
  5. Step 5: Solve for x
    x = 3,802,312,123.32/70,766.84
  6. Step 6: Final answer
    x = 53,730.14

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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.