Home / 84,688.67-127,037.87-25,518.17

Finding the Fourth Proportional to 84,688.67, 127,037.87 and 25,518.17

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Solution

The fourth proportional to 84,688.67, 127,037.87 and 25,518.17 is: 38,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.67 : 127,037.87 = 25,518.17 : x
  2. Step 2: Convert to fraction form
    84,688.67/127,037.87 = 25,518.17/x
  3. Step 3: Cross multiply
    84,688.67x = 127,037.87 × 25,518.17
  4. Step 4: Simplify right side
    84,688.67x = 3,241,773,835.51
  5. Step 5: Solve for x
    x = 3,241,773,835.51/84,688.67
  6. Step 6: Final answer
    x = 38,278.72

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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.