Home / 70,935.76-106,215.92-42,818.23

Finding the Fourth Proportional to 70,935.76, 106,215.92 and 42,818.23

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Solution

The fourth proportional to 70,935.76, 106,215.92 and 42,818.23 is: 64,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,935.76 : 106,215.92 = 42,818.23 : x
  2. Step 2: Convert to fraction form
    70,935.76/106,215.92 = 42,818.23/x
  3. Step 3: Cross multiply
    70,935.76x = 106,215.92 × 42,818.23
  4. Step 4: Simplify right side
    70,935.76x = 4,547,976,947.05
  5. Step 5: Solve for x
    x = 4,547,976,947.05/70,935.76
  6. Step 6: Final answer
    x = 64,114.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.