Home / 84,901.40-117,127.59-53,014.94

Finding the Fourth Proportional to 84,901.40, 117,127.59 and 53,014.94

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Solution

The fourth proportional to 84,901.40, 117,127.59 and 53,014.94 is: 73,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901.40 : 117,127.59 = 53,014.94 : x
  2. Step 2: Convert to fraction form
    84,901.40/117,127.59 = 53,014.94/x
  3. Step 3: Cross multiply
    84,901.40x = 117,127.59 × 53,014.94
  4. Step 4: Simplify right side
    84,901.40x = 6,209,512,156.19
  5. Step 5: Solve for x
    x = 6,209,512,156.19/84,901.40
  6. Step 6: Final answer
    x = 73,137.92

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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.