Home / 70,925.47-97,875.82-38,660.40

Finding the Fourth Proportional to 70,925.47, 97,875.82 and 38,660.40

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Solution

The fourth proportional to 70,925.47, 97,875.82 and 38,660.40 is: 53,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.47 : 97,875.82 = 38,660.40 : x
  2. Step 2: Convert to fraction form
    70,925.47/97,875.82 = 38,660.40/x
  3. Step 3: Cross multiply
    70,925.47x = 97,875.82 × 38,660.40
  4. Step 4: Simplify right side
    70,925.47x = 3,783,917,765.50
  5. Step 5: Solve for x
    x = 3,783,917,765.50/70,925.47
  6. Step 6: Final answer
    x = 53,350.62

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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.