Home / 84,818.16-127,270.98-34,935.12

Finding the Fourth Proportional to 84,818.16, 127,270.98 and 34,935.12

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Solution

The fourth proportional to 84,818.16, 127,270.98 and 34,935.12 is: 52,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818.16 : 127,270.98 = 34,935.12 : x
  2. Step 2: Convert to fraction form
    84,818.16/127,270.98 = 34,935.12/x
  3. Step 3: Cross multiply
    84,818.16x = 127,270.98 × 34,935.12
  4. Step 4: Simplify right side
    84,818.16x = 4,446,226,958.82
  5. Step 5: Solve for x
    x = 4,446,226,958.82/84,818.16
  6. Step 6: Final answer
    x = 52,420.70

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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.